Get release date from news

Needs to be tested on Mac OS X and BSDs without GNU sed, but the sed command is not special, so it should work everywhere.

Added 2 commits:

• e80069ad - Set VERSION and RELEASE_DATE in manpages at the build time, so it doesn't mess with the git
• b194dcec - Looks like simple sed works everywhere

Added 1 commit:

• 0e82ab7b - Various finishing touches to make makedist work

Status changed to merged