Added floating panels
Added configuration of height per component in side panels
move code to make appLayer attributes JSON from AttributesActionBean to ApplicationLayer class and add option to immediately add attributes and relations properties to result of ApplicationLayer.toJSON() so it can be used immediately in ComponentConfig
make app config JSON available in configPage for CustomConfiguration
setup of SimpleFilter config layout
fill stores for layer and attribute combo's from appConfig
display selected attribute info
create config form for slider filter control
use indexes to config.layers array instead of actual appLayerIds so component still works when application is copied
working range slider with min/max auto update
wip simplefilter load saved config
Merge branch 'master' into feat/simple-filter

Fix SelectedContentCache conflict, fix #158 in the process

Conflicts:
	viewer-config-persistence/src/main/java/nl/b3p/viewer/config/app/Application.java
actually use includeAppLayerAttributes and includeRelations for making app json
Merge branch 'master' into feat/simple-filter

Conflicts:
	viewer-admin/src/main/webapp/resources/js/layoutmanager/layoutmanager.js
	viewer/src/main/java/nl/b3p/viewer/stripes/AttributesActionBean.java
	viewer/src/main/webapp/viewer-html/components/components.json
Fixed components.json (remaining >>>> master), selectedcontent commited missing arguments
Trailing spaces and bug loading empty config
Removed commented out code
Added accidentally removed code for restoring floating panel configuration
Separated creating the filter configuration from listener, so it can be reused when restoring the saved configuation. Made beginning of restoring the saved config in the rest of the form
Changed event
reverted event, manually call createFilterConfig with the saved config object