refactor(megapix-image.js): JSHint fixes, update comments
refactor($image-support): move all (owned) strictly image source to a specific folder

#1231
fix($ios-canvas-limit): flag for canvas size limit

#1231
refactor($megapix-image): namespace MegaPixImage library

#1231
fix($ios-scaling): iOS ignores a canvas greater than ~5MP

fixes #1231
docs($ios-scaling): document iOS limitation
[skip ci]
#1231
chore($ios-scaling): 5.0.2 release candidate
[skip ci]
#1231
fix($ios-scaling): re-adjust max pixel limit for iOS
#1231
chore($build): inc build num - prerelease
[skip ci] #1231
chore($release): prepare for 5.0.2 release
[skip ci] #1231
test(raytest-jquery.html): remove accidentally checked-in code
[skip ci] #1231
Merge branch 'hotfix/ios-canvas-limit'

Conflicts:
	README.md