Qcommandlineparser (#199)

* Replaced getoptplusplus with QCommandLineParser. Fixes #39

* enabling C++11 if possible

* enabling C++11 if possible

* fixed gcc compilation issues

* fixed linux builds and improved os x build

* trying to fix dispmanx

* trying to fix dispmanx

* simplified travis build script

* fixed argumentparser default values

* rewrote validator system and made sure default arguments are processed correctly

* rewrote validator system and made sure default arguments are processed correctly

* fixed bool vs. regular options

* oops... removing debug code

* reverted screenshot api change

include/commandline/ValidatorOption.h

@@ -0,0 +1,42 @@
+#ifndef HYPERION_COMMANDLINEOPTION_H
+#define HYPERION_COMMANDLINEOPTION_H
+
+#include <QtCore>
+#include <QtGui>
+#include <commandline/Option.h>
+
+namespace commandline
+{
+
+class ValidatorOption: public Option
+{
+protected:
+    const QValidator *validator;
+    virtual void setValidator(const QValidator *validator);
+public:
+    ValidatorOption(const QString &name,
+                    const QString &description = QString(),
+                    const QString &valueName = QString(),
+                    const QString &defaultValue = QString(),
+                    const QValidator *validator = nullptr)
+        : Option(name, description, valueName, defaultValue), validator(validator)
+    {}
+    ValidatorOption(const QStringList &names,
+                    const QString &description = QString(),
+                    const QString &valueName = QString(),
+                    const QString &defaultValue = QString(),
+                    const QValidator *validator = nullptr)
+        : Option(names, description, valueName, defaultValue), validator(validator)
+    {}
+    ValidatorOption(const QCommandLineOption &other,
+                    const QValidator *validator = nullptr)
+        : Option(other), validator(validator)
+    {}
+
+    virtual const QValidator *getValidator() const;
+    virtual bool validate(Parser & parser, QString &value) override;
+};
+
+}
+
+#endif //HYPERION_COMMANDLINEOPTION_H