Merge pull request #135 from erwinwinder/master

Small enhancements
Use dynatree for data item selection, performance improvements, separate MVC (WIP)
changed the cbm converter with a better mapping
Merge pull request #138 from dennishendriksen/master

Data explorer dynatree for data item selection + various changes
Merge pull request #139 from RoanKanninga/master

Updated the CBM converter, now with a better mapping
Expanded mref paging
Merge pull request #140 from dennishendriksen/master

Expanded mref paging + bug fixes
small bug fixes
Merge pull request #141 from dennishendriksen/master

Data explorer feature selection bug fix
Importer CBM: small bugfix
Merge pull request #142 from RoanKanninga/master

small bugfix for CBM convert/import
bug fixes, small style change
Merge pull request #143 from dennishendriksen/master

Data explorer bug fixes
Make indexing async
Use different analyser