Moved jQuery dependency up the inheritance tree to allow extending without jQuery

Signed-off-by: Daniel Spors <daniels@scavix.com>
- FormatDuration rounds the seconds now - GvTable tweaked UI

Signed-off-by: Daniel Spors <daniels@scavix.com>
Added function: avail()

Signed-off-by: Daniel Spors <daniels@scavix.com>