WIP #559 More e-mail notifications

Added e-mail notification for new registrations that require admin
approval.
Fixed parsing error
jQuery, Impromptu and Validator updates

Also removed unneeded file.
Impromptu, jGrowl updates
Select2 update
jQuery Modal update
CodeMirror update
jQuery UI update
Correcting a few things
Add missing smilies https://github.com/mybb/mybb/issues/908

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Checks admin permissions now
Trying to fix conflicts
Trying to fix conflicts again
Putting back changes
Fixing impromptu conflicts
Fixing jgrowl conflicts
Merge pull request #958 from PirataNervo/feature-957

Update 3rd party libs #957
New jGrowl and Impromptu CSS
Merge pull request #969 from PirataNervo/feature-957

New jGrowl and Impromptu CSS #957
Feature #280 Smilies/Post Icons and theme imgdir
Fixed path and bug in smilies