fixed npe and directly open server gui on client to avoid issues when quickly changing equipped item after trying to open it; changing up some code, might help with an issue reported in irc
ignoring any invalid states when entering executor thread now, should avoid computers stopping due to race conditions and shouldn't have any negative side effects
fixed remote terminals' connection not being saved correctly
Merge branch 'master' of https://github.com/MightyPirates/OpenComputers into MC1.7

Conflicts:
	src/main/scala/li/cil/oc/common/block/Delegator.scala