I've also applied other minor refactorings and fixed a broken spec.

This is to have consistency with the #time_spent method on Issuables
that returns 0 when the user has not entered any info about it.

This method returns the total spent time that the user has declared
through the `/spend` slash command.

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Remove order-dependent expectation

Fixes #24341, hopefully

See merge request !7385

CE Upstream

See merge request !859

See https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/6274

CE upstream

CE changes https://gitlab.com/gitlab-org/gitlab-ce/compare/d636efbe26ee51030bb108d889c2ef867570358a...0c36b810abede73b3cf59f951e7467dbac54ec98?expand_all_diffs=1

See merge request !850

Signed-off-by: Rémy Coutable <remy@rymai.me>

Add more highlighting to development docs

Now that docs.gitlab.com has lovely highlighting, we should make sure we use it
everywhere it makes sense!

See merge request !7369

Add query param to filter users by 'external' & 'blocked' type on API

Closes #23731

See merge request !7109

Updated issuable form weight dropdown

Updates the weight dropdown in the issuable form to use the new style

![Screen_Shot_2016-10-14_at_10.42.01](/uploads/311a5d3a169e073c844b013dd7e82913/Screen_Shot_2016-10-14_at_10.42.01.png)

See merge request !802

Apply `*_params_ce << *_params_ee` pattern to ProjectsController

See merge request !852

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