Merge tag '0.5.3' into develop

v.0.5.3
Added front page contents for autodocs.
Changed historics sample value to 10. 1.56% sample is no longer valid after API change
PushDefinition automatically prefixes output param

When adding output params to a PushDefinition, the output param is prefixed with "output_params." so that any subsequent access to it for validate or subscribe calls is correct.
Merge pull request #23 from datasift/feature/update-historic-sample-test-value

Changed historics sample value to 10
Merge pull request #26 from datasift/bug/push-output-params-prefix

PushDefinition automatically prefixes output param
Removed checks for existance of deprecated 'volume_info' field in historics/prepare response
Bumped to v.0.5.4
- introduced automatic reconnection after 65s of no data and no ticks received from Meteor
- introduced a new method call on stream consuner: on_header where the http headers are received at connection time. This allow us to check the header.
- introduced an optional argument to the constructor of class User "stream_base_url" which is set to the standard url: stream.datasift.com
- fixed a problem where on an http error the raw socket cannot be obtained as it was not created and the error message is crytic. A more understandable message is now displayed. This might need to be revisited.
removed hack
Merge pull request #22 from datasift/feature/fixfrontpage

Added front page contents for autodocs.
Merge pull request #28 from datasift/feature/reconnect

- introduced a new method call on stream consuner: on_header where the http headers are received at connection time. This allow us to check the header.
- introduced an optional argument to the constructor of class User "stream_base_url" which is set to the standard url: stream.datasift.com
- fixed a problem where on an http error the raw socket cannot be obtained as it was not created and the error message is crytic. A more understandable message is now displayed. This might need to be revisited.
Merge pull request #27 from datasift/feature/fix-historics-volume-info

Feature/fix historics volume info
Bumped version to v.0.5.5
Merge branch 'release/0.5.5'

Introduced automatic reconnection after 65 seconds of no data or ticks. Solves 'silent disconnect' issue