Minor cleaning up [ci skip].
Some minor cleaning up.
Re-enabled some plugins that got disabled for version 0.2. Also some minor cleaning up.
Updated our user documentation to account for our RawCellMLView and RawView plugins [ci skip].
Updated our downloads page [ci skip].
New snapshots.
Minor improvement to our main CMake file.
Minor improvement to our downloads page.
Some minor cleaning up.
Merge branch 'master' into biosignalml