Migration upgrades cache for lightweight dashboard
Fixed some migration issues

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white space cleanup

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always update changeset cache after invalidation signal

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fixes issue #710 File view stripping empty lines from begininng and end of the file. Fixed by setting default Pygment lexer option to not do that

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fixed issues with getting repos by path on windows

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extra : rebase_source : 44692bd7afd0c19660b7d4dfb6eab74a02c7c99b
fix multiple ips addresses in X_FORWARDER_FOR header

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Use common function for generation of grid data
- admin grid now has dedicated edit button, and uses changeset_cache
- some small improvements to grid
- all other datatables use this

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extra : amend_source : 8580c1d384b719c13b80675f32e5d86b2d4cb424
fixes issues with groups paginator

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fixes issue #715 Meta-Tagging [requires => Repo-123] not working

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fixed fetch command for git repos, now it properly fetches from remotes

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revert pdb trace on error tests

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fixes issue #658, my account edit was missing this functionality

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fixed issue #719 Journal revision ID tooltip AJAX query path is incorrect when running in a subdir

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Implemented API calls for non-admin users for locking/unlocking repositories

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extra : amend_source : 6a03208e97dd2a7a8146f7b45b36ad568a9f82ec
API method get_user can be executed by non-admin users ref #539

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API methods create_repo, fork_repo, delete_repo, get_repo, get_repos
can be executed by non-admin users ref #539

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Enable all Markdown Extra in Python markdown library.

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fixes issue #702 API methods without arguments fail when "args":null

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remove log.exception call

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fixed issue with displaying repos in groups view (without lightweight dashboard), added tests for this case

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