Log git related exceptions in gitInfo task

Signed-off-by: Morgan Fine <mfine@pivotallabs.com>
Clean gradle scripts in .clean-cf-release-build

[#74546134] https://www.pivotaltracker.com/story/show/74546134

Signed-off-by: Morgan Fine <mfine@pivotallabs.com>
Normalize whitespace in gradle script

[#74546134] https://www.pivotaltracker.com/story/show/74546134

Signed-off-by: Morgan Fine <mfine@pivotallabs.com>