Hats webpage: Many improvements and fixes (2nd try) * Fix static hats not being animated properly * Make widges more user-friendly * Add local mode to hats webpage to make testing easier (IS_LOCAL variable) * Cleanup code * Update themes list * Update list of local hats

[patterns]
**.h = native
**.c = native
**.cpp = native
**.lua = native
**.txt = native
**.pas = native
**.inc = native
**.hs = native