1)refactor the cache plan algo. 2) raise expcetion if no flight found
1)add jquery-ui. 2) add hooker for the filter method
1) add filtering ability. 2) add jquery-ui
modify cache key struture, take date_out and date_back into account
fix hotel search url
move filter methods to helper module
1) add filters. 2) add module, funcName info into logger. 3) set backup log to 0
add ansible script to deploy settings.py to prod with customized settings
add ALLOWED_HOSTS extra param, since we might disable DEBUG and TEMPLATE_DEBUG options
add debug log
ALLOWED_HOSTS should be array rather than String wrapped in []
Merge pull request #19 from manyan/master

1) enable filter. 2) enable jquery-ui