[FT-319] Implement architectural decision, on how to retrieve data from back-end (genome browser)

Transmart changes to support genome browser
Fixing tree panel disalignement
Merge branch 'master' into genome-browser-plugin-support

Conflicts:
	grails-app/conf/BuildConfig.groovy
fix a missed curly bracket
HTML fix
Fixing issue THRONE-65
Merge thehyve/master into thehyve/genome-browser-plugin-support

Conflicts:
	grails-app/conf/BuildConfig.groovy
Adressing issue THRONE-78. Hidding non functionning stuff + fixing user selection in "Access control box"
Hidding unwanted element for release 1.1 as decided during Sprint meeting 3
use modifier_cd as intended in i2b2
Modification according to discussion over commit f146752f8f1ef3cfe3734d6d25e411d80f69a97d.
Merge branch 'gitlab/f.guitton'

Conflicts:
	grails-app/controllers/UserGroupController.groovy
Fixing background admin panel component (will not be accessible in the interface though)
Merge branch 'gitlab/f.guitton'
Fixing issue THRONE-83
Fixing issue THRONE-41
Merge branch 'gitlab/f.guitton'
use of modifier_cd made compatible with i2b2 design [jira issue FT-410]
removed comment lines with old code
Merge remote-tracking branch 'origin' into genome-browser-plugin-support