GmiMojo to convert XMIR into GMI

See #1002, release log:

• 5cb4b7e by @yegor256: #1002 done first version
• f515ed7 by @yegor256: Merge branch 'gmi'
• 3393cc1 by @rultor: Merge branch '__rultor'
• eb6ee05 by @Graur: #1022 - simplified tests
• a72d705 by @rultor: Merge branch '__rultor'
• bbfaad9 by @yegor256: #gmi: simple test works
• 24e23c6 by @EugeneDar: SnippetTest disabled
• a84fd6c by @Graur: #1022 - fixed integration test...
• 01cc976 by @EugeneDar: collections directory removed
• 67ebcd9 by @rultor: Merge branch '__rultor'
• e909e8e by @yegor256: #gmi: wip
• 3e049e7: #624 extract OyFallbackSwap
• 610af68: #624 corrected docs
• 45f732b: #624 corrected docs
• 8869f2d: #624 added docs
• a7edc19 by @yegor256: fix for win
• 4a10b4f by @yegor256: compiler version for fibonacci...
• d1de4d2: #624 correct toString for Fall...
• c9b6916: #624 backmerge from master
• d2b593b: #624 bypass caching in PullMoj...
• and 127 more...

Released by Rultor 2.0-SNAPSHOT, see build log