xbox buttons added to level select screen
added game options save struct
altered Semaphore to Monitor class

ideal for Xbox 360
Boss Projectiles 80% completed
moved health + stamina to title-safe area

also made a nice bar
implemented movement of shield
added foundational options menu
Projectile goes over shields
Boss Projectiles 80% completed
implemented movement of shield
Projectile goes over shields
Merge remote-tracking branch 'origin/master' into Eric-Dev
Merge remote-tracking branch 'origin/dan-dev'
quick fixes to side code
Figuring acting magnet force on organs
Merge branch 'master' of https://github.com/FrostTree-Games/MagnetBoy
Trying to get rid of Shield
resolved bug
changes RemoveAll references to custom versions

Prevous implementations of List<T>.RemoveAll() were not available on the
Xbox 360's implementation of the .NET Framework. By using a custom
version from an internet forum, we were able to make it less
complicated.
altered thread yeild in LevelState

not compatible on the Xbox 360