[murano-agent] FormatVersion was not incremented

[Stan Lagun]

With introduction of new elements (Doenloadable files) to execution plan that are not understood by old agent versions it is necessary to increment FormatVersion of execution plans that contain such version (2.0->2.1) and update agent to accept this version. Thus if old agent will get execution plan in new format we get correct error message rather than unpredictable behavior

[Serg Melikyan (smelikyan)]

Fix Proposed https://review.openstack.org/171629

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/171629
Committed: https://git.openstack.org/cgit/openstack/murano-agent/commit/?id=0e2bea6ff2efaf43f46eed2534a9ca5618f0c83e
Submitter: Jenkins
Branch: master

commit 0e2bea6ff2efaf43f46eed2534a9ca5618f0c83e
Author: Henar Muñoz Frutos <email address hidden>
Date: Wed Apr 8 15:01:13 2015 +0200

    Increment max FormatVersion

    max_format_version is now 2.1.0
    use semantic_version (found in global_requirements) for comparisons
    added IncorrectFormat exception, to help distinguish format errors from
    any other AgentExceptions

    Closes Bug: #1441276

    Co-Authored-By: Kirill Zaitsev <email address hidden>
    Change-Id: I0331e4c6c9674eebee1b9b0b73df2283ca082caf