UI: Fileicons: Fix iconsize not being set for some icons

(integrated from trunk branch change 86d9dc2 by Nathan Rijksen <n.rijksen@gmail.com>)
Commando: Simplified Result XUL structure

(integrated from trunk branch change 50c7187 by Nathan Rijksen <n.rijksen@gmail.com>)
Commando: Manually set richlistitem height cause Mozilla doesnt properly detect it

(integrated from trunk branch change 0d452da by Nathan Rijksen <n.rijksen@gmail.com>)
Commando: Fix titles not cropping when they're too long

(integrated from trunk branch change 07294ea by Nathan Rijksen <n.rijksen@gmail.com>)
Commando: Fix XUL error regarding missing id (Mozilla likes id's)

(integrated from trunk branch change f18b08b by Nathan Rijksen <n.rijksen@gmail.com>)
Trackchanges: UI: Updated UI to look a bit more attractive

(integrated from trunk branch change aeaacd4 by Nathan Rijksen <n.rijksen@gmail.com>)
UI: Icons: Updated Codeintel icons again to be more indicative

(integrated from trunk branch change 2af5bbb by Nathan Rijksen <n.rijksen@gmail.com>)
Updated base16 color schemes to latest version from base16-builder repo

(integrated from trunk branch change 2e745c9 by Nathan Rijksen <n.rijksen@gmail.com>)