fix #10767; current .img-thumbnail is equivalent to old .img-polaroid
deprecate .hide; fixes #10446
move /assets/ to /docs-assets/ ; fixes #10715
avoid using the term "assets" due to potential confusion
Merge pull request #10769 from twbs/deprecate-hide

deprecate .hide; fixes #10446
Merge pull request #10770 from twbs/rename-assets

move /assets/ to /docs-assets/ ; fixes #10715
Merge pull request #10768 from twbs/polaroid-thumbnail-docs

fix #10767; current .img-thumbnail is equivalent to old .img-polaroid
run grunt dist
Update Glyphicons font to resolve #10106

Workaround an old Android WebKit bug by switching to codepoints within the BMP.
Details: http://stackoverflow.com/questions/9241519/webkit-css-content-unicode-bug
Extra special thanks to @jankovarik for doing this update. <3
Source: https://www.dropbox.com/s/clh9y6lqtmj01l8/halflings_updated_for_android.zip
(As posted in https://github.com/twbs/bootstrap/issues/10106#issuecomment-24539909 )
Update affected .glyphicon-* CSS classes to use new codepoints

.glyphicon-briefcase: U+1F4BC -> U+E139
.glyphicon-calendar:  U+1F4C5 -> U+E109
.glyphicon-pushpin:   U+1F4CC -> U+E146
.glyphicon-paperclip: U+1F4CE -> U+E142
.glyphicon-camera:    U+1F4F7 -> U+E046
.glyphicon-lock:      U+1F512 -> U+E033
.glyphicon-bell:      U+1F514 -> U+E123
.glyphicon-bookmark:  U+1F516 -> U+E044
.glyphicon-fire:      U+1F525 -> U+E104
.glyphicon-wrench:    U+1F527 -> U+E136
re-sort affected .glyphicon-* classes by new codepoints
run grunt dist
Merge pull request #10778 from twbs/old-android-glyphicons-fix

Use updated Glyphicons to workaround old Android WebKit bug