Remove unnecessary code on nodes
Merge branch 'Thanh'
Merge branch 'Phuc02_10' into Thanh

Conflicts:
	visualizer.js
Merge branch 'Thanh'
Better order of modes in switch statement
Not mix error count to error list
Decorate tools color
Merge branch 'Thanh'
Fix archini and wapiti error detail are swapped
Merge branch 'Thanh'
add <a> tag
add POST urls