Merge branch 'release/2.2.0' into develop
Removed the live API tests and fixed a few minor issues.
fix multiple issues: relaiting to location and names of files. Made argument list self documenting
fix multiple issues: relaiting to location and names of files. Made argument list self documenting
fix bug: to make work, no matter value of cwd
fix to path inside push script
 Removing volume info from historics response and also fixing tests to comply with the changes
Merge pull request #36 from datasift/bugfix/volume_info

bugfix/volume_info
 Updating WebSocket library to use new protocol. Changes to WSThread to implement the same. DSP-177
Merge pull request #37 from datasift/fix/WS

Web socket connection times out on failure to receive ticks/frames.
Akshay explained. Makes sense.
 APIClient uses SSL if enabled by the user
Merge pull request #38 from datasift/feature/DSP-472

APIClient SSL
Merge pull request #34 from datasift/feature/fixes

Feature/fixes
version bump v2.2.1
Merge pull request #39 from datasift/feature/versionBump

release v2.2.1
 Updated changeLog for v2.2.1
Merge pull request #40 from datasift/feature/updateChangelog

 Updated changeLog for v2.2.1
Merge pull request #41 from datasift/develop

Merge Release 2.2.1 to Master