Update our documentation.
Updated our download page [ci skip].
Updated our download page [ci skip].
Recognise OS X 10.9 (Mavericks).
Updated some of the user documentation [ci skip].
Some minor cleaning up.
Some minor cleaning up.
Added a couple of DLLs that are needed for the Windows package.

This is so that the CellML Model Repository plugin can work properly
since it now requires of SSL (to ignore the SSL certificate).
Updated our .gitignore file now that we have two more redistributable files for Windows [ci skip].
Updated some screenshots for the user documentation [ci skip].
Some minor cleaning up.
Updated some screenshots for the user documentation [ci skip].
Some minor cleaning up of our user documentation [ci skip].
Minor fix for our CellMLAnnotationView plugin.
Some minor cleaning up of our user documentation [ci skip].
Minor fixes for our CellMLAnnotationView plugin.
Some minor cleaning up of our user documentation [ci skip].
Some minor cleaning up of our user documentation [ci skip].
Some minor cleaning up of our user documentation [ci skip].
Some minor cleaning up of our user documentation [ci skip].