Order of loading js libraries was fixed. Remote call to cdnjs was replaced with local copy.
Grid layout of products was implemented
Merge WebStore/master

Conflicts:
	src/main/webapp/WEB-INF/html/index.html
Main layout (menu - content) was fixed
Routing was refactored using events. Searching was implemented. Filtering by categories was fixed
Search mechanism was enhanced on both client and server side
Bootstrap.js was added to the library. Minor code cleanup