start inline-block for FF2
rulus.browser recognizes mozilla 2
add box-sizing
start with mixing.arrow
add css methode for arrows
arrow optimized
optimized source code
rulus.css.mixin.arrow: code format; semicolon;
Merge branch 'master' into rulus.css.mixin.arrow

Conflicts:
	src/rulus/css/display/rulus.css.display.inline-block.js
	src/rulus/css/rulus.css.display.js
	src/rulus/vendor/json2.js
	test/rulus/css/all.csv
Add test for rulus.css.mixin.arrow + color formats

supper for this color formats:  Name of color, Hexadecimal colors, RGB
colors ,RGBA colors, HSL colors, HSLA colors
cange test
rulus.css.mixin.arrow: tests extended
rulus.css.mixin.arrow: em support
rulus.css.mixin.arrow: rgba tested
Merge branch 'master' into rulus.css.mixin.arrow

Conflicts:
	src/rulus/css/display/rulus.css.display.inline-block.js
	src/rulus/css/rulus.css.display.js
	test/rulus/all.csv
Add test for em + HSL + HSLA

Merge branch 'master' into rulus.css.mixin.arrow
Add support + test for pt, %, pc, in, mm, cm, ex
blank are allowed in the rgb, rgba, hsl and hsla
Merge branch 'master' into rulus.css.mixin.arrow

Conflicts:
	test/rulus/all.csv
Merge pull request #3 from rulus/rulus.css.mixin.arrow

Rulus.css.mixin.arrow