fix #1624 Rules added with embedRules can only use stringed regexes
better folding commands
add command.scrollIntoView
automatically pick range for align command
add virtualRenderer.$updateSizeAsync
miscelaneous fixes from c9
fix #1669 Everything until cursor position is selected in IE8
fix #1671 Cannot use backspace in Android Chrome
update c9searchresults test
fix typo
Merge pull request #1674 from ajaxorg/misc

fix two small bugs
c9search mode is weird :(
fix folding test
add user select text to ace_text-input
do not include empty lines in section fold
fix regression with cmd-up
always add height to line wrapper nodes
 (needed for line widgets)
hack edit session
add first version of line_widgets
fix typo