Updated Bugzilla numbers for blocked tests.

I have updated some of the existing Bugzilla issues that were blocking
some of our API tests. They are:

* 1122267 was closed in favor of 1151240
* 1140313 was manually verified today.
Merge pull request #1576 from omaciel/update-bugs

Updated Bugzilla numbers for blocked tests.
Update Repository entity

Add the new added checksum_type field

Closes #1571
Merge pull request #1577 from elyezer/repository-entity

Update Repository entity
Rename smoke tests to follow test naming

Tests should start with test_ and we don't need to specify api, cli and
ui as the tests is already in a module that have that differentiation.
Merge pull request #1580 from elyezer/rename-smoke-tests

Rename smoke tests to follow test naming
Update version_promote option

Update version_promote lifecycle-environment-id option to
to-lifecycle-environment-id.

Bonus: some formatting on lines containing lifecycle-environment-id for
other commands.
Merge pull request #1582 from elyezer/update-promote-options

Update version_promote option
Make it possible to create a user via API

When POSTing to the /users URL, wrap data within an extra hash. This is per the
API document.

    $ python -m unittest tests.foreman.api.test_user
    ....s......s......s.....s......s......s.
    ----------------------------------------------------------------------
    Ran 40 tests in 79.635s

    OK (skipped=6)

Targets #1578.
Merge pull request #1585 from Ichimonji10/create-user

Make it possible to create a user via API
Make Sphinx happy

Do not attempt to auto-generate API docs for the non-existent
`robottelo.api.apicrud` module. Fix a module reference.
Skip known-failing tests

Skip tests that are known to fail due to BZ 1154156.

    $ nosetests tests/foreman/api/test_multiple_paths.py -m _Host
    ..S.S.....S.....SSSS
    ----------------------------------------------------------------------
    Ran 20 tests in 48.694s

    OK (SKIP=7)

Make method `Host.create` subnet a nested hash of parameters, e.g. `{'host':
{...}}`.
Merge pull request #1586 from Ichimonji10/docs

Make Sphinx happy
Merge pull request #1588 from Ichimonji10/create-host

Skip known-failing tests
Make API logging more useful

Make the API client log out a warning whenever an HTTP 4XX or 5XX response is
received. Demote messages detailing the contents of every single request and
response from priority "info" to "debug".
Merge pull request #1589 from Ichimonji10/better-logging

Make API logging more useful
Trim down .gitignore file

Only ignore files and directories that are relevant to this project.
Unnecessarily ignoring files can make troubleshooting especially hard in
situations where a troublesome file is invisible to git.
Merge pull request #1587 from Ichimonji10/gitignore

Trim down .gitignore file
Use right quantity for subscription in CLI smoke

Use 1 instead of max available quantity because "only pools with
multi-entitlement product subscriptions can be added to the activation
key with a quantity greater than one."
Merge pull request #1590 from elyezer/update-cli-smoke

Use right quantity for subscription in CLI smoke