Set launcher generation to silly value for git snapshots

This way we can release a snapshot build and it won't self-downgrade.
Change how the "no run-main for play" hack works

Now we convert "run-main play.core.server.NettyServer"
into "run", rather than ignoring main classes for apps
with the Play dependency.

This new approach has two advantages:
 - if there is another main you can pick it
 - doesn't rely on getting hasPlay right, in case
   that check is broken
add local repo
remove slf4j multi-binding error
Set templates-cache version to 0.3.0
add proxy suppor to auto-update check
Merge pull request #216 from typesafehub/wip/havocp-1.0.10-backports

1.0.10 items