some changes
add specific LED support for study
changed UI. Phases->TAB. Jitter strength->TAB.
fix index out of bounds
LED changes. motion jitter strength
fix phase eye colour (phase 1 -> normal)
nao stiffness update improved.
empathy project better gestures
Merge branch 'master' of redbird.cs.umanitoba.ca:projects/empathy

Conflicts:
	robot-controller/Study/Empathy.py
commit for merging
Merge branch 'master' of redbird.cs.umanitoba.ca:projects/empathy into devui

Conflicts:
	robot-controller/Definitions.py
updating gui. added more functionalities in action list view. better qt signal/slot connections
filemode
middle of work in layout.
ui updated.
refactored
it's time to update empathy project as its capability increase with refactoring
middle of working.
fixed enqueue updating index issue
added sudoku board widget
add empathy project specific button type
updated empathy project GUI, still working on it