show loading bar for every query, 'page' queries refresh result list automatically (except for those triggered by result views) + bugfix

Conflicts:
	common_js/searchResultList.js
fixed a bug with pagination and the facets cape

Conflicts:
	common_js/searchResultList.js
	media/css/eexcess.css
	visualizations/FacetScape/js/facetScape.js
added queryID, unified rerpesentation of context-attribute in exchange

Conflicts:
	background/apiCalls.js
	background/background.html
	visualizations/GraphVisualization/UIControl.js
bugfixing
minor