Parcel comments done.
Parcel Drawing Tools release notes added.

Also, some extras that are not needed by parcel tools but may be useful in other projects.
Added a test area for experimenting with fast splitting algorithms.
Wiki documents added for bundles.
Release notes contain info about wiki now.
Added literature references to efficient algorithms.
Merge branch 'feature' of https://github.com/spatineo-oskari/oskari into feature/SPATINEO_MERGE
Merge latest from spatineo/parcel functionality and fix css image-paths again
Merge branch 'feature/SPATINEO_MERGE' into develop