* All of the code that used subversion has been removed.
* When Asterisk is checked out from a tag or commit instead
of one of the regular branches, git would emit messages like
"fatal: ref HEAD is not a symbolic ref" which weren't fatal
at all. Those are now suppressed.
Change-Id: I2a11bc9ebbaf6dfa50f53516ede50a6bac65ca3c