Merge pull request #8915 from diowa/whitespaces-tabs-etc

Removed trailing whitespaces and hard tabs
dat purple homepage--http://www.youtube.com/watch?v=k2C5TjS2sh4
Merge branch '3.0.0-wip' of github.com:twbs/bootstrap into 3.0.0-wip
Update javascript.html
Merge pull request #8911 from codejet/patch-1

title attr, not tag, in tooltip/popover docs
use separate `form-group`s in horiz form example for greater generality; fixes #8925
Updated homepage more
Run make on prev work
start with buttons
start on navbar
add the theme file derp
Merge branch '3.0.0-wip' of github.com:twbs/bootstrap into 3.0.0-wip
fixes #8937: align the dropdown menus in input groups
add nav to media object and thumbnails
add table-layout
fixes #8864
fixes #8892
Correct comment which is showing a wrong mixin call example (mixins.less)

I was copy-pasting the example and it wasn't working. Then I found that the example in the comment was a typo.
Thanks
Update input-groups.less

align inline radio and checkbox groups with their label for horizontal forms, see http://stackoverflow.com/q/17990310/1596547 (Question 2)
Added classes for lg-pull, lg-push, lg-offset, sm-pull, sm-push, sm-offset