Toggle to ignore TIs

Also prevents crashing TIs since the TI is never transmitted. TIs are
default to "on" but can be turned off (yay for more options to confuse
people!)
Merge pull request #1265 from Fuzzysqurl/ti

Toggle to ignore TIs
Fix Mirror Move for GSC

http://pokemon-online.eu/threads/gsc-mirror-move-is-bugged.21298/
Merge pull request #1268 from turbedi/GSC-MirrorMove-Fix

Fix Mirror Move for GSC