Finished the Main Menu

Added Credits and Info windows. May want to add an actual Info string
for that window. Yay! Stuffs!
Merge remote-tracking branch 'upstream/master'
fixed spellbook temp abilities
grabbed scenes
dungeon stuff, plus scene portal stuff
meta files
meta files again
asdf
Merge remote-tracking branch 'upstream/master'
fixed things navmesh triplanarbullshit,
adding main menu stuff
shortcuts
Merge remote-tracking branch 'upstream/master'
fixed ability prefabs
Merge remote-tracking branch 'upstream/master'
Merge pull request #89 from peachesandcorn/master

dungeon final prefabs and scene portals.
changed triggers to work
merging ryan's stuff
new enemies
Fixed looting