version 0.0.6 now active in the download manager

download/0.0.6.json
download/index.md
download/release-0.0.5.md
download/release-0.0.6.md
    INTO-CPS release 0.0.6

    changed bundle download URL

    oops

download/index.md
download/release-0.0.5.md
download/versions.json
    release 0.0.5 ready.. will be online soon!

    added missing checksums

download/versions.json
    for testing the download manager. Will contain real data later

download/release-0.0.4.md
simulation/coe-api.pdf
simulation/coe.md
simulators/20sim.md
    various documentation updates incl. release 0.0.4 information

    prettyfication :)

    - oops

    - Added RT-Tester to the list, even though no download URL exists. I
      will add a point about this at the next NM.
    - Merged the three Open Modelica list items into one (containg 3
      download links)
download/release-0.0.3.md
    - Added JRE to requirements section.

    added list of supported platforms to each download link

    added release 0.0.3

download/release-0.0.2.md
download/release-0.0.3.md
simulators/20sim.md
testing/rt-tester-mbt.md
    Release 0.0.3 documentation ready

    added note regarding the wrong openmodelio profile being bundled
    with 0.0.2

download/release-0.0.2.md
simulation/antivirus.md
simulation/coe.md
    ready for release. Just need the final rttui binary

simulators/20sim.md
simulators/openmodelica.md
systemmodelling/index.md
    Added information received from consortium partners regarding their
    tools and how to use them in relation to this project