Gzip to all text files in build

Change-Id: I95dddeed9da844d1a37299d6cf4d0d3956f3eb86
Clean entire dist directory

Change-Id: I7c5b64d92929dc39480048789a52b397cb918c55
ignore css sourcemaps

Change-Id: I6c1d2f8533c420ac65b75d1372ca3327d917cc30