display commit hash as revision if version program is executed from a git repository
Revert commit b5b649902f7f8197174fddc4cbd59c4b4419e3c4.
Similar modifications will be done in branch n3v1k/version-script-for-git
update cmake to find lua 5.2 and miniupnpc
Make cmake executable by calling cmake path/to/srcdir instead of calling
cmake.sh in build directory.
Add TravisCI config file