Added pre and post special animations hooks
Put all unit state changes into playerunit
Units return to idle animation at the end of specialEnd animation.
AddAnimationClip accepts looping now.
On ios the stringstream doesn't convert numbers like "10.0f" very well. So, build resiliency for that.
small movement tweaks
Updatred Xcode project with new resource folder and updated permsions on fetch resources for ios
HUD button switches between units
mend
mend
Merge pull request #74 from VajraFramework/unit-anim-spec

Unit anim spec
UITouchHandlers can now register to messages
Some uisceneload/unload jankiness.
Switch unit button gets events callbacks'
Flip png images on ios only.
Add header that I forgot to commit
Convert number to string.
Merge branch 'master' into hud-unit-switch

Conflicts:
	VajraFramework/XCodeProject/VajraStaticLibrary/VajraStaticLibrary.xcodeproj/project.pbxproj
ObjectRegistry cna store objects by name too.
xMerge branch 'hud-unit-switch' of github.com:VajraFramework/Vajra into hud-unit-switch