[TASK] debug message to standard color (RT-2798)

change debug mode message to standard warning css class
[FEATURE] grunt lesslint
[FIX] CSS cleanup
Merge pull request #1889 from vhpoet/fix/css

[FIX] CSS cleanup
[TASK] debug message link color fix (RT-2798)
Merge pull request #1887 from darkdarkdragon/develop-RT-2798

[TASK] debug message to standard color (RT-2798)
Merge pull request #1888 from vhpoet/feature/lesslint

[FEATURE] grunt lesslint
[FEATURE] grunt jscs
Merge pull request #1890 from vhpoet/feature/jscs

[FEATURE] grunt jscs
[FIX] Package.json: Add grunt-shell, remove shell as dependency
Merge pull request #1901 from yongsoo/fix/dependencies

[FIX] Package.json: Add grunt-shell, remove shell as dependency