Quite a lot of mostly theme related changes this week with a couple of commits.Commit ID: 52ec0909e641ba962074d5995a4cd937322aadb1, 11 changed files with 208 additions and 278 deletions.Commit ID: b29c321df7f347f8a3f251088b4fd81abe3e38db, 25 changed files with 293 additions and 454 deletions.Commit ID: 8237b84e36014d79f3e5f5a05004bde84cc258ee, 12 changed files with 193 additions and 68 deletions.(ux) implemented quick buttons with icons for use in post bit templates. The button list is created by its own template function and can be re-used for all postbit templates.(ux) implemented root- and subcategories with its own layout.(core) invalidate SEF boardname cache when applying changes to the board configuration(ux) always use the "new post" overlay image instead of different images(ux) board index and child forums better optimized for low resolutions.