Revert "FormStatus displaying under Mono fixed". Closes #2106

This reverts commit 482bf066cc7f78146fa7ac4b8052a26b9c6f29dc.
Version changed to 2.47.1
Fixed TabIndex on GitExtensionsSettingsPage and BuildServerIntegrationSettingsPage and updated German translation

Change-Id: Iaaf929c76f4332641aa4a57a85e9259aac27da97
Git.hub and NBug added as submodules

Cherry-picked from: 2702989d6dad2d9b4950511d77b3c48796a3ef94

Conflicts:
	GitExtensions.VS2010.sln
	GitExtensions.VS2012.sln
	GitExtensions/GitExtensions.csproj
	GitExtensions/packages.config
	TranslationApp/TranslationApp.csproj
Use read-only urls for submoduls.
Changed location of Git.hub.dll in post build event
Check for updates using GitHub api. There is a bug in WebClient that causes AV. Closes #2006.
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...
Added IconFileStatusUnknown - when git exits with error then GitExt crashes with IndexOutOfBounds
Merge branch 'release/2.47'

Conflicts:
	CommonAssemblyInfo.cs
	Externals/Git.hub
	GitExtSshAskPass/SshAskPass.rc2
	GitExtensions.VS2010.sln
	GitExtensions.VS2012.sln
	GitExtensions/GitExtensions.csproj
	GitExtensions/packages.config
	GitExtensionsShellEx/GitExtensionsShellEx.rc
	Plugins/Stash/packages.config
	Setup/MakeInstallers.cmd
	Setup/MakeMonoArchive.cmd