Fix 22 typos found by codespell

Here are typos with their counts and introduced fix:

      1 autmatically ==> automatically
      1 commited ==> committed
      1 currenlty ==> currently
      1 dependecies ==> dependencies
      1 referrenced ==> referenced
      1 signleton ==> singleton
      1 somwhere ==> somewhere
      1 specied ==> specified
      1 specifiy ==> specify
      1 statment ==> statement
      1 successfuly ==> successfully
      1 unavaiable ==> unavailable
      2 ellapsed ==> elapsed
      3 arrray ==> array
      3 compatability ==> compatibility
      3 defintion ==> definition
      4 compability ==> compatibility
      4 mesage ==> message
      4 notifiction ==> notification
      5 re-use ==> reuse
      6 doesnt ==> does not
      6 non-existant ==> non-existent

test/unit/@node-red/editor-api/lib/editor/comms_spec.js

@@ -499,7 +499,7 @@ describe("api/editor/comms", function() {
                 }
             });
         });
-        it('rejects connections for non-existant token',function(done) {
+        it('rejects connections for non-existent token',function(done) {
             var ws = new WebSocket(url);
             var received = 0;
             ws.on('open', function() {

test/unit/@node-red/registry/lib/installer_spec.js

@@ -195,7 +195,7 @@ describe('nodes/registry/installer', function() {
                 done();
             }).catch(done);
         });
-        it("rejects when non-existant path is provided", function(done) {
+        it("rejects when non-existent path is provided", function(done) {
             this.timeout(20000);
             var resourcesDir = path.resolve(path.join(__dirname,"resources","local","TestNodeModule","node_modules","NonExistant"));
             installer.installModule(resourcesDir).then(function() {

test/unit/@node-red/registry/lib/registry_spec.js

@@ -188,7 +188,7 @@ describe("red/nodes/registry/registry",function() {
            moduleList["test-module"].nodes.should.have.a.property("test-name-2");
        });
 
-       it('doesnt add node set types if node set has an error', function() {
+       it('does not add node set types if node set has an error', function() {
            typeRegistry.init(settings,null);
            typeRegistry.getNodeList().should.have.lengthOf(0);
            typeRegistry.getModuleList().should.eql({});
@@ -204,7 +204,7 @@ describe("red/nodes/registry/registry",function() {
            should.not.exist(typeRegistry.getTypeId("test-c"));
        });
 
-       it('doesnt add node set if type already exists', function() {
+       it('does not add node set if type already exists', function() {
            typeRegistry.init(settings,null);
            typeRegistry.getNodeList().should.have.lengthOf(0);
            typeRegistry.getModuleList().should.eql({});
@@ -329,7 +329,7 @@ describe("red/nodes/registry/registry",function() {
                 typeRegistry.removeModule("test-module/unknown");
             }).should.throw("Unrecognised module: test-module/unknown");
         });
-        it('throws error for unavaiable settings', function() {
+        it('throws error for unavailable settings', function() {
             var s = stubSettings({},false,{});
             typeRegistry.init(s,null);
             /*jshint immed: false */

test/unit/@node-red/runtime/lib/nodes/credentials_spec.js

@@ -158,7 +158,7 @@ describe('red/runtime/nodes/credentials', function() {
             settings: encryptionDisabledSettings,
             nodes: { getType: () => function(){} }
         });
-        var defintion = {
+        var definition = {
             user1:{type:"text"},
             password1:{type:"password"},
             user2:{type:"text"},
@@ -167,9 +167,9 @@ describe('red/runtime/nodes/credentials', function() {
             password3:{type:"password"}
 
         };
-        credentials.register("test",defintion);
+        credentials.register("test",definition);
         var def = credentials.getDefinition("test");
-        defintion.should.eql(def);
+        definition.should.eql(def);
 
         credentials.load({"node":{user1:"abc",password1:"123",user2:"def",password2:"456",user3:"ghi",password3:"789"}}).then(function() {
             var node = {id:"node",type:"test",credentials:{

test/unit/@node-red/runtime/lib/storage/localfilesystem/projects/ssh/index_spec.js

@@ -37,7 +37,7 @@ describe("storage/localfilesystem/projects/ssh", function() {
 
     beforeEach(function(done) {
         oldHOME = process.env.HOME;
-        process.env.HOME = "/tmp/doesnt/exist";
+        process.env.HOME = "/tmp/does not/exist";
         fs.remove(userDir,function(err) {
             fs.mkdir(userDir,done);
         });

test/unit/@node-red/util/lib/util_spec.js

@@ -637,12 +637,12 @@ describe("@node-red/util/util", function() {
               var result = util.evaluateJSONataExpression(expr,{});
               result.should.eql('2013-11-18T19:55:00+08:00');
           });
-          it('handles non-existant flow context variable', function() {
+          it('handles non-existent flow context variable', function() {
               var expr = util.prepareJSONataExpression('$flowContext("nonExistant")',{context:function() { return {flow:{get: function(key) { return {'foo':'bar'}[key]}}}}});
               var result = util.evaluateJSONataExpression(expr,{payload:"hello"});
               should.not.exist(result);
           });
-          it('handles non-existant global context variable', function() {
+          it('handles non-existent global context variable', function() {
               var expr = util.prepareJSONataExpression('$globalContext("nonExistant")',{context:function() { return {global:{get: function(key) { return {'foo':'bar'}[key]}}}}});
               var result = util.evaluateJSONataExpression(expr,{payload:"hello"});
               should.not.exist(result);