* Added ping from dashboard during backups, to reduce timeouts and add better error reporting
* Added intelligent checks to increase backup speed
* Install New Extension button added to the Extensions page
* Extension names tweaked to link to open the extension page
* Notes widget added to Site Individual Dashboard
* .htaccess file tab added to the server information page
* CSS changes for a cleaner look
* Hooks added for the upcoming extension

git-svn-id: https://plugins.svn.wordpress.org/mainwp/trunk@929840 b8457f37-d9ea-0310-8a92-e5e31aec5664