Midi File Parsing

added files used to parse a midi file
change some code in "checkForEvent", and add method "initStartTime"
change draw rectangle sequence for speed
add exception handling
add red line for dots
minor fix
start dot moving
display fps on screen
use frame limit
additional checkForEvent(self,time,pitch) function
change method of calculate fps
Added new way to parse midi file in class pianoKey
Refinements to pianoKey class
package structure
test files added
add music folder for MIDI file
now can load midi file
change structure of initiate pianoKey
change falling speed
Added Dialog box to select MIDI File
Merge branch 'midifileprocessing' of https://github.com/jeonhk/the_PLAY into midifileprocessing

Conflicts:
	Structure/View/KeyView.py
now 'pianoKey' works on data instead of KeyView
Merge branch 'midifileprocessing' of https://github.com/jeonhk/the_PLAY into midifileprocessing