Re-add fastclick uncompressed and fix #1854

This PR : 
 -  reverts commit 47cc48f2aaca8bbad3f9989a0813a16da4b22454
 -  update Fastclick to 1.0.3
 -  fix #1854 

[test link](http://mf-geoadmin3.dev.bgdi.ch/dev_revert/)

We need uncompressed fastclick in dev mode.