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
Add documentation texts compatibility with browsers