additional columns date, size and meta
Merge remote branch 'upstream/master' into fcmeta
findFilesByMetadataDetailed returns additional metadata, add updateMetadata method
add updateMeta function, add listners for collapse and click, set fixed width in datatable columns
rewrote getMetadata and add getCompatible method
add functions to load compatible values in the meta selectors
if value is not empty add to compatible dict else dict is empty
mostly finish compatible selectors update, to be discussed meta without value
Merge remote branch 'upstream/integration' into fcmeta

Conflicts:
	dirac/public/javascripts/data/MetaCatalog.js
Merge pull request #129 from msapunov/fcmeta

Fcmeta