1 - only try and mkdir the .git if it doesn't already exist so repeated
2 test runs don't explode
4 - switch .svn to .git in smells-of-vcs test and create it ourselves
5 to ease importing of this dist into subversion repositories
7 - add multidimensional and bareword::filehandles in author mode
9 - disable uninitialized warnings before calling ->SUPER::VERSION
11 - enable extra testing only if .git or .svn present to keep requirement
12 for extra modules author-side