use build number and include source

-SNAPSHOT will be replaced with the Jenkins build number if specified, so now SNAPSHOT will actually indicate an unofficial build as it's supposed to

poor man's source inclusion, generally this would use a plugin to generate a separate -sources jar but for our purposes we just want it in the same jar
Merge pull request #10 from Civcraft/master

Merge pull request #4 from WildWeazel/master
Merge pull request #12 from WildWeazel/patch-3

use build number and include source
cleaned up dead files and reverted config settings
dead file
Merge pull request #6 from WildWeazel/civcraft

fixing regressions