BME Usability : Initial Commit Question Create Wizard.
Change handler.
Bug Fix.
Implement Drag And Drop to Upload Media and CSS change for large
resolution.
Comment unused UiIcon methods.
Change Images for Sound and Upload Media, Chnage handler for Uplaod
Media
Implement Loading While Media Uploading.
Modify ui.xml for UploadMedia In Porgress View.
Add Code to Access Question Wizard using RestURL
Merge remote-tracking branch 'origin/BME_186'

Conflicts:
	bme2/src/main/java/medizin/client/request/QuestionEventRequest.java
	bme2/src/main/java/medizin/client/request/QuestionRequest.java
	bme2/src/main/java/medizin/client/style/theme/public/gwt/unibas/unibas.css
	bme2/src/main/java/medizin/server/domain/Person.java
	bme2/src/main/java/medizin/server/domain/Question.java
	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