reverting CallstackTransfer to trunk-version. Recursion-support in CallstackCPA can be enabled with cpa.callstack.depth=1. The value 1 is enough, because BAM reduces the stack at each function call.

git-svn-id: https://svn.sosy-lab.org/software/cpachecker/branches/bamRecursion@13980 4712c6d2-40bb-43ae-aa4b-fec3f1bdfe4c