implement time limit for iterative deepening
Merge branch 'develop'

Conflicts:
	Settings/Settings.js
Merge branch 'develop'
Merge branch 'develop'
Merge branch 'develop'
Merge branch 'develop'
Merge branch 'develop'
add rG5
add google analytics to index.html
add rG6 and rG7
repair move evaluation log
don't decrease depth when deleting piece
add webgl missing page