Add tool for remove file names in ant scp cache

Ant scp task cache files deployed, if this fails the cache gets updated
but files are not really uploaded. Files names needed to be deleted by
hand from cache. This use git to get files modified diffing from a feature
branch and master and remove those files so they get uploaded again in next
deploy of ant task.
Add script for finding commits editing lines in a file

Script receive file as first argument, start line number and then te number of lines
to check starting from te line number passed.