File uploader:
* Remove MB limit notice if unlimited.
* Fix layout problems.
* Store some descriptions as placeholder text instead.
* Reduce verbage in two descriptions.
Cleanup remaining bits of resizing hack removal since commit b41aa5176baea1cf6087129afe95983ed6bd7db2
Cleanup search result PHP, remove two unneeded styles
Cleanup sorting JavaScript (use event delegation) and remove inline onclick events.
Merge pull request #265 from avindra/master

File uploader improvements and misc. cleanup