@update - add question view button
@update - Inserted quiz question for category History. Tested is working. Successfully  added.
@update - answer question and show correct answer, show next question.
Merge branch 'develop' of https://github.com/lihao6485/ComputeME into develop
@update - Link between all pages.
@update - clean and update
@update - Able to play History with challenge mode. Timer in challenge mode is included.
Merge branch 'develop' of https://github.com/lihao6485/ComputeME into develop

Conflicts:
	ComputeMe/ComputeMe/Controller/CMGameResultViewController.m
	ComputeMe/ComputeMe/Controller/CMGetReadyViewController.m
	ComputeMe/ComputeMe/Controller/CMQuestionViewController.h
	ComputeMe/ComputeMe/Controller/CMQuestionViewController.m
@update - fix preload data problem and update new sqlite file
@update - remove redundant codes
@update - implement question with image
Merge branch 'develop' of https://github.com/lihao6485/ComputeME into develop

Conflicts:
	ComputeMe/ComputeMe/Controller/CMQuestionViewController.m
@update - fix conflicts
@update - fix folder reference duplicate problem
@update - adjust for long options
@update - Added classic mode play. Disabled digital media and networking.
NOTE: Please delete your previous apps if database is updated.
Merge branch 'develop' of https://github.com/lihao6485/ComputeME into develop
@update - result page exit button
Merge branch 'develop' of https://github.com/lihao6485/ComputeME into develop
@update - result page restart button