Moved string functions to jg-string.h
Moved verify out of ui
Moved collection out of ui
Removed base class noncopyable
Moved core out of ui
Moved point/size/rect out of ui
Moved window out of ui
Moved control out of ui
Moved message_loop to window
Moved mvp out of ui
Moved layout out of window
Minor shuffling-around and removal of includes and commented-away includes