Major housekeeping and getting in line with rest of projects w.r.t. ivy builds
Backed off on the ivysettings file a bit... will look more into it after this release cut
Merge branch 'devel' of esgf.org:esgf-web-fe into devel
Merge branch 'devel' of github.com:ESGF/esgf-web-fe into devel
Merge branch 'devel' of github.com:ESGF/esgf-web-fe into devel
Datacart fix:

Datasets with files that were published with no tracking id or checksum values could not be displayed.  This was fixed by allowing null values and displaying N/A in those cases
Changed DKRZ node name and link on the home page
Datacart fix:

Datasets with files that were published with no tracking id or checksum values could not be displayed.  This was fixed by allowing null values and displaying N/A in those cases
Cosmetic change to welcome page
Merge branch 'devel' of github.com:ESGF/esgf-web-fe into devel
MBH: correcting wiki links to point to github wiki
Merge branch 'devel' of github.com:ESGF/esgf-web-fe
Merge branch 'devel' of github.com:ESGF/esgf-web-fe into devel
Merge branch 'master' into devel
Allowing white spaces in user registration.
Allowing .-_ in user registration fields.
Adding hibernate-validator-4.0.2.GA.jar to dependencies.
MBH: updating all wiki links
MBH: removed askbot link, removed old wiki link
Add flags and entries for DMI, PIK, UIO and EC-EARTH nodes.
Some whitespace vs tab cleanup