CheckStreamExistTask and RegisterLocationForStreamTask is migrated to
tasks package as a separate class.
bug-fixed: if there is connectivity problem between server and client,
swipe layout refreshing indicator did not stop. It is fixed now.
resolves #229
AsyncTasks related to Server are extracted to tasks package.
Merge branch 'master' of https://github.com/ButterFly-Broadcast/butterfly.git
Refactor: http gateway url is made static in AbstractAsyncTask and
related updates are applied to classes. So that httpGatewayURL is not
needed to fetch from resources in activities
Test codes are being written for AsyncTasks. Scenario test will be
written
Started to check cpu arch compatibility. Only arm is supported right
now.