Fixed git prompt parsing to work with latest git.
Fixed git update check to diff against HEAD.
test - foo
Updated check-for-updates to check for updates in branch master that are not merged into current branch.
Removed test commit foo.
Added .gitconfig and .ssh.
Read prompt settings from /opt/dc/etc/prompt.d.
Read bash integrations from /opt/dc/etc/bash.d.
git - prompt status now indicates unmerged changes in sibling branch.
prompt - adjusted spacing.
Merge branch 'master' into sistemi

Conflicts:
	.bash.d/git
	.bash.d/prompt
	.gitconfig
	.ssh/authorized_keys
.gitconfig - set color.ui=auto.
Merge branch 'master' into sistemi

Conflicts:
	.gitconfig