basic colors
added a style for light background elements
added fonts and graphic elements
changed artist links icons
updated artist activity view
updated partners activity
added some fake graphics, updated infos and menu activities
added artist header
added header to other activities
if no internet, artistwebview does not open
updated main menu icons
programmation activity (bug on big screens)
Merge branch 'GraphicsIntegration'

Conflicts:
	res/layout/activity_menu.xml
	res/layout/news_view.xml
	src/com/imaginariumfestival/android/programmation/ProgrammationActivity.java