Merge pull request #1329 from dennishendriksen/master

Show alerts for all js errors
Merge pull request #1330 from dennishendriksen/master

Correct spinner behavior in case of js errors/exceptions
Merge pull request #1331 from dennishendriksen/master

Remove widgets component from jquery ui to avoid bootstrap conflicts
Merge pull request #1332 from dennishendriksen/master

Replace palga logos with transparant palga logos
Merge pull request #1334 from dennishendriksen/master

show version number and build date in footer
Merge branch 'master' of https://github.com/molgenis/molgenis