Fixes issue with saying installed to instances tab when installing a
server
Add in downloading of Libraries from the server hashes
Added in server starting batch and shell files for Server Installs
Fix issue with Minecraft Server bat/sh files not using the right jar
Only extract/compress the jar on server installs if there is a need to
Fix up checking of jar mods if its not a server mod
Fix NPE when changing version on server installs
Significantly speed up server install time by using cached libraries
Fix of Server installs on older versions of Minecraft
convenience fixes
Merge remote-tracking branch 'upstream/master'

Conflicts:
	src/com/atlauncher/workers/InstanceInstaller.java