Continue/next-ActionButton for the NewRaspiActivity
Deleting the old button
Save-ActionButton for the NewRaspiAuthActivity
Save-ActionButton for the EditRaspiActivity
Save-ActionButton for the NewCommandActivity
String-Resource refactoring
refactoring menu resources
refactoring layout resources
Merge remote-tracking branch 'upstream/master' into feature/actions

Conflicts:
	res/values-de/strings.xml
	res/values/attrs.xml
	res/values/themes.xml
imported pi logo svg from wikipedia
source: http://en.wikipedia.org/w/index.php?title=File:Raspberry_Pi_Logo.svg&oldid=564049265
new raspicheck logo with full asset according to the iconography guidelines
http://developer.android.com/design/style/iconography.html#launcher
replaced the Launcher-Icon
changed the web-icon
Merge pull request #52 from larsgrefer/feature/actions

Feature/actions
Merge pull request #53 from larsgrefer/feature/launcherIcon

Feature/launcher icon
allocateDefaultPty for custom commands.
first draft for the theme-Preference
Merge branch 'master' into feature/design2

Conflicts:
	res/values/strings.xml