Fix copyright

Update the sphinx configuration to reflect BCIT as the copyright holder.
Signed-off-by:James L Parry <jim_parry@bcit.ca>
[ci skip] Switch to MIT license; close #3293
[ci skip] Update link to the license in readme.rst
Specify sphinx version (fixes #3275)

The latest version of sphinx installed by easy_install is incompatible with our user guide. This change specifies sphinx version 1.2.3, the required one.
Signed-off-by:James L Parry <jim_parry@bcit.ca>
[ci skip] Update composer.json
Merge pull request #3294 from jim-parry/fix/ug-copyright

Fix/ug copyright
[ci skip] Update the contribution guide
Close #3292
The HHVM build on Travis-CI seems to be misconfigured ...
Add a real exception handler

Close #1590
Close #3200