Merge pull request #19 from samzhao88/develop

add jdbc support
IsOrigin now works fine, also improved perfomance
fixed utc/local time convertion bug
add TimeZoneMapper.java
Merge pull request #21 from HaoranHuang/develop

fixed utc/local time convertion bug
handle exception
Merge branch 'develop' of https://github.com/FlightFinder/OAG_Schedule into develop
sqlfinder now works with IsOrigin
Merge branch 'develop' of https://github.com/FlightFinder/OAG_Schedule into develop
Merge pull request #22 from snickers2029/develop

sqlfinder now works with IsOrigin
added: stop searching if get N empty queries in a row. also add a check for MaxConnectMins < MinConnectMins
Merge pull request #23 from HaoranHuang/develop

added: stop searching if get N empty queries in a row. also add a check ...
added sorting
Merge branch 'develop' of https://github.com/FlightFinder/OAG_Schedule into develop
handles invalid input and return JSON message
flightSet class
Merge pull request #24 from snickers2029/develop

enable sorting
merge Controller.java
Merge branch 'develop' of https://github.com/FlightFinder/OAG_Schedule into develop
change HTTPResponse.java to match the new result format