More portable she-bangs.
added --no-color to git-delete-merged-branches
Merge pull request #287 from benjaminparnell/master

added --no-color to git-delete-merged-branches.
make release hook more flexible
Merge pull request #288 from dead-horse/release-hook

made release hook more flexible.
Use mktemp for temporary file creation.
Merge pull request #289 from mavant/feature/mktemp

Use mktemp for temporary files.
added changelog to release as optional flag

- rewrote the flags to contain multiple
- added -c as changelog option
Merge pull request #226 from tsldh/master

Added changelog -c flag to git-release.