ignore Eclipse files and resolve some Eclipse JSHint warnings

squashed 4 commits into 1

.gitignore

@@ -1,12 +1,17 @@
-node_modules
-credentials.json
-flows*.json
+.config.json
+.dist
+.jshintignore
+.jshintrc
+.npm
+.project
+.sessions.json
+.settings
+.tern-project
 *.backup
 *_cred*
+coverage
+credentials.json
+flows*.json
 nodes/node-red-nodes/
-.npm
-/coverage
-.config.json
-.sessions.json
+node_modules
 public
-.dist