Fixed TabIndex on GitExtensionsSettingsPage and BuildServerIntegrationSettingsPage and updated German translation

Change-Id: Iaaf929c76f4332641aa4a57a85e9259aac27da97
Enlarge Abort button to fit Abbrechen in German translation

Change-Id: I6b10f9c9ec8379c1fef716cb706023ba2df8341d
Localized label on FormMergeBranch and updated German localization

Change-Id: I1151937e176049790109e6fa800d97bd58f19c1f
Merge pull request #2111 from Copro/master

Fixed TabIndex on GitExtensionsSettingsPage and BuildServerIntegrationSe...