Flatten 'gears' in application mongo record i.e. 'gears' field will be sibling of 'group_instances'.

Remove group_instace_id field from some pending op models that are no longer needed

Bug fixes

Resolved merge conflicts
Bug fixes: 1034084, 1034018
Updated hangout page w/ feedback from Diane
Security - add OPENSHIFT_UMASK to oo-trap-user for - BZ990441
Remove Open Sans since we're not including it externally,
    make font stack consistent with our site,
    set line-height
Fix group_instances/component_instances/gears checks in oo-admin-chk script
Bug 1034077: Fix for backend connection not opened.
Merge pull request #4247 from nhr/hangout_page_fixes

Merged by openshift-bot
Merge pull request #4248 from tkramer-rh/dev/tkramer/security/umask_oo-trap-user_11_25

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Merge pull request #4249 from sg00dwin/app-start

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Merge pull request #4240 from pravisankar/dev/ravi/card114

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Merge pull request #4250 from mrunalp/bugs/1034077

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Bug 977929