Add slashes to mongodb's managed_files.yml

Add trailing slashes to directories in managed_files.yml of the mongodb
cartridge.

Although the absence of the slashes was not causing any apparent
problems, correctness and consistency with other cartridges demands that
directories be denoted with trailing slashes.
Closing mongo db connection to prevent connection pool from getting exhausted
Add 9.2 for all remaining cucumber features
Merge pull request #3053 from Miciah/cartridges-mongodb-metadata-managed_files.yml-add-trailing-slashes

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Merge pull request #3054 from abhgupta/bug_980760

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Merge pull request #3057 from BanzaiMan/dev/hasari/c157

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Bugfix #983308
Merge pull request #3056 from kraman/libvirt-f19-2

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Bug 983190

Publish $OPENSHIFT_POSTGRESQL_VERSION to all gears, and depending on
whether `scl` is available, set up the `psql()` wrapper in `rhcsh`
appropriately.
Fix up psql command usage in cucumber tests

With the previous commit, the 'psql' invocation should be correct.

Fixes runtime_extended tests for postgres.
Fix bug 983459 - typo in add ssh key text
Ignore STDERR while checking for 'scl'
Fix bug 983583
Merge pull request #3060 from liggitt/bug_983459_add_key_typo

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Bug 983420

Clobber the content of *_PATH_ELEMENT, no need to remove it.
Bug 983374 - NodeJS status not being reported properly

https://bugzilla.redhat.com/show_bug.cgi?id=983374

Syntax error in `bin/control status` was causing the wrong status to be shown
Merge pull request #3059 from BanzaiMan/dev/hasari/bz983190

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Merge pull request #3061 from pmorie/dev/upgrades

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Merge pull request #3062 from BanzaiMan/dev/hasari/bz983420

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Merge pull request #3063 from fotioslindiakos/BZ983374

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