Retain selection after installation error
Merge pull request #560 from AlexanderDzhoganov/release_v1.2

Retain selection after installation error (#512)
Catch DownloadErrorsKraken.
On windows if it propagates to the Invoke call it is wrapped in a new exception. Given that a error dialog is already given by the downloader we can just silently capture it.
Adding comment to DownloadErrorsKarken catch.
Merge pull request #568 from RichardLake/release-v1.2

Catch DownloadErrorsKraken.
build: Allow source to be built (as devel) outside of git.

References #546
Merge pull request #571 from pjf/less_git_depends

build: Allow source to be built (as devel) outside of git.
Merge branch 'release-v1.2' of https://github.com/KSP-CKAN/CKAN

Conflicts:
	CKAN/GUI/MainInstall.cs
	CKAN/GUI/MainModList.cs
Merge pull request #572 from RichardLake/masterMerge

Merge Release1.2 into Master