added <threadsafe> mandatory flag for deployment
variabilized d-wall.html, using voxxr-conf.js props
added sidenote to call `ant deps` on the first time before deploying to GAE, in order to copy libs to WEB-INF/lib folder
allowing to crawl multiple events at the same time (useful for devoxxfr + devoxxuk
added command line to easily push crawler's git subtree on heroku
Improved rendering for README updates
+ Add support for crawling conferences with different API
+ Crawl Mix-IT 2013 conference
Fix some JSON parsing & generation bugs on dates and rooms.
Merge pull request #4 from jcsirot/mixit

Add support for Mix-IT 2013 conference
Upgraded welcome page to 2013
fixed npe on some android devices, not allowing twitter sign in
updated page, hiding content about past voxxrin talk & Wall board
added IDEA-specific files
Added sidenote to explicitely call your project JDK "1.7" ... yes, this is weird (see https://twitter.com/fcamblor/status/327434205380354048)
Allowing to call dev base url when mode=dev query param is provided to the crawler server
Provided IDEA launchers for gae apps & crawler
Allow to only browse some specific event families if eventFamiliyId query param is provided to the crawler
supporting multiple eventFamilyId query params
refactored mixit event descriptor to externalize missing data not provided by MixIT REST API (and have a crawl() implementation ratherly the same as the devoxx one (for further refacto)
fixing some rare thread safety issues when manipulating prod/dev base urls