Issue with assets (YUI-compressor) fixed
Base64 encoding/decoding feature
File upload and list sync fix

 - (fixed) When forbidden files are added uploaded they added to file lists without any check
Merge branch 'developing'

 - (feature) Base64 encode/decode
 - (fix) Assets minification with YUI
 - (fix) File upload list sync
Merge branch 'master' into rbc_tools