Usability Improvements of QuestionEditView:
- Minimized DOM manipulations by switching from HTML divs to customized panels
- created Labeled FocusWidgets, that improve readability of forms.
- grouped form fields in a more usable way

Further changes:
- some gneral ui style changes (font/buttons/sizes etc.)
- changed top panel layout
- changed navigation layout
Merge branch 'master' of github.com:nikotsunami/bme3

Conflicts:
	bme2/src/main/java/medizin/client/ui/view/QuestiontypesEditViewImpl.ui.xml
	bme2/src/main/java/medizin/shared/i18n/BmeConstants.java
	bme2/src/main/resources/medizin/shared/i18n/BmeConstants.properties
	bme2/src/main/resources/medizin/shared/i18n/BmeConstants_en.properties
Merge branch 'master' of github.com:nikotsunami/bme3 into usability
Finalized implementation of QuestiontypesEditView as a prototype with new form widgets. The prototype is functional, save one focus related bug in LabeledPanel. (Hover on labeled panel doesn't correctly show context help)
Implemented context help.
Merge branch 'master' of github.com:nikotsunami/bme3 into usability
- Fixed Handler bug in LabeledPanel
- Added translations for context help.
Minor code reorganisation (moved css to central file; fixed missing context help dialog)
Merge remote-tracking branch 'origin/master' into usability. QuestiontypesEditView is not clean yet.

Conflicts:
	bme2/src/main/java/medizin/client/ui/view/QuestiontypesEditViewImpl.java
	bme2/src/main/java/medizin/client/ui/view/QuestiontypesEditViewImpl.ui.xml
	bme2/src/main/java/medizin/shared/i18n/BmeConstants.java
	bme2/src/main/resources/medizin/shared/i18n/BmeConstants.properties
Merge branch 'master' of github.com:nikotsunami/bme3 into usability
Fix bug in labeled panel.

Conflicts:
	bme2/src/main/java/medizin/client/style/theme/public/gwt/unibas/unibas.css
	bme2/src/main/java/medizin/client/ui/view/QuestiontypesDetailsViewImpl.java
	bme2/src/main/java/medizin/client/ui/view/QuestiontypesEditViewImpl.java
	bme2/src/main/java/medizin/client/ui/view/QuestiontypesEditViewImpl.ui.xml
	bme2/src/main/java/medizin/shared/i18n/BmeConstants.java
	bme2/src/main/resources/medizin/shared/i18n/BmeConstants.properties
	bme2/src/main/resources/medizin/shared/i18n/BmeConstants_en.properties