New 0.2.5 version with some enhancement

Functionality :
		- Add new button to open list of context and set basic search context as home
		- Fix #10 with all aggregation available with elasticjs. A new custom elasticjs is provided from https://github.com/Sean-Der/elastic.js with top hits agg. Test needs to be done on nested, and geo agg.
		-  Fix #30 : query parameters can be changed from a notebook. A new search method can take a simple request and page actualize. Add a queryUpdate in factory.
Bugs :
		- Fix #33 : add sort paramter to infos to store in context