fix media queries
Merge pull request #1008 from deividmarques/3.1.0

fix media queries
Merge pull request #1010 from diegoeis/3.1.0

moving track events doc to right place.
fix mixin rgba
removing mixin unnecessary
Merge pull request #1013 from deividmarques/3.1.0

Fix to mixin rgba and removing unnecessary rgba
fix dropdown ls-user-account when pre panel
Fixing some code on change log and wrong url appointing to login page
remove wrong css from spec
rewrite test popover
ids in popover fixtures
rewrite popover
allow two popovers open
change event for init
position popover with css
log remove
id & position in popover template
add & update templates
Created breakpoint classes documentation.
Merge pull request #1016 from Wylkon/3.1.0

Created breakpoint classes documentation.
Merge pull request #1014 from deividmarques/3.1.0

fix dropdown ls-user-account when pre panel