fix compatibility with better-dom 1.5.5
do not abort previous xhr if requests was triggered programmatically
update better-dom to 1.6.0
update demo links
"ajaxify:fetch" now support callback function
extract createXHR
use native timeout event
do not send a request if loadstart was prevented, extract sharedXHR
reuse shared xhr
update readme
add fast click support on demand
fix animation events list for Chrome and typos in readme
improve tests
update infrastructure
remove problematic files in dist folder
version 1.5.0-rc.1
Merge branch 'master' into gh-pages

Conflicts:
	dist/better-ajaxify-hashchange.js
	dist/better-ajaxify-pushstate.js
	dist/better-ajaxify.js