Correct some errors with File upload
Begin to use bootflap.
Merge branch 'master' of https://github.com/Kinokoh/googleDriveFaces

Conflicts:
	src/main/java/com/isima/zzdrive/model/File.java
	src/main/java/com/isima/zzdrive/model/User.java
	src/main/webapp/components/upload.xhtml