Add js: jquery, nette.ajax+history, modernizr

+jquery 1.11.1
+nette.ajax
+nette.ajax.history
  * also configure in config.neon
+modernizr
  * testing browser's historyAPI
  * testing input's HTML5 attributes (e.g. placeholder)
  * testing input's HTML5 types (e.g. email, number, ...)

files.js in js/ directory
  +jquery1-11-1.js
  +vse1-0-1.js
  +main1-0-1.js
  -default sandbox .js files

@layout
  +include .js files at the end of <body>
  +snippet title