fixed grid issue on a small screen
Merge branch 'master' of https://github.com/viljarsalu/tsr-bs3

Conflicts:
	app/assets/styles/_gridvariables.scss
	app/assets/styles/_responsive-utilities.scss
removed gridvariables scss
mobile menu update
fixe scrolling issue, when main menu is open
header menu update
headeer navigation update
#10 Footer: Add responsive contakts blokk
Merge branch 'master' into footer
#2 fixing respontiv utilites bug.

Now calss="visible-xxxs-block visible-xxs-block" works as expected.
#9 Add Footer social block