Add note about quirk related to build-custom-glclient.sh
Merge branch 'master' of github.com:globaleaks/GLClient

* 'master' of github.com:globaleaks/GLClient:
  Implement acceptance disclaimer on "blow the whistle button"
  few changes in Gruntfile.js just to help the copy of the supported languages
  minor UI fixes
  status view, checksum display, updated https://github.com/globaleaks/GlobaLeaks/issues/334
  removed Pillow: https://github.com/globaleaks/GlobaLeaks/issues/247 https://github.com/globaleaks/GlobaLeaks/issues/246 https://github.com/globaleaks/GlobaLeaks/issues/146