renamed rulus.ui.core.in_dom to inDom
rulus.ui.createElement: make it solid with lowerCase
Merge pull request #11 from rulus/rulus.ui.core.inDom

renamed rulus.ui.core.in_dom to inDom
rulus.body: removed special inDom function
Merge remote-tracking branch 'origin/master' into rulus.find

Conflicts:
	src/rulus/rulus.array.js
	src/rulus/rulus.body.js
	src/rulus/ui/rulus.ui.core.js