Follow-ups the fix for IDEA-115914.

Git supports a `pre-commit` and `pre-push` hooks that are executed
after a commit or a push accordingly (https://git-scm.com/docs/githooks).
Sometimes it's needed to skip the hooks and bypass the checks for them.
For that purpose git supports a parameter `no-verify`.
With that commit inside the git commit dialog a checkbox "Skip hook" will be
available if any of the repositories have a `pre-commit` hook installed.
Similar way in the push dialog it will be possible to bypass the
`pre-push` hook.
Options are not visible and not used when there's no such hooks installed.

Currently only local hooks (inside .git/hooks folder) are supported.
It doesn't support a new git configuration variable `core.hooksPath`
that allows customizing where the hook directory is (since git 2.9.0).

If a test task should be run on Python2.7 and Python3.5, we should run it
only once for each of two interpreter versions.
PyTestTask.getTagsToCover method now serves this need: when all tags that the environment
provides are already covered, we skip the particular environment

Signed-off-by: Vassiliy.Kudryashov <Vassiliy.Kudryashov@jetbrains.com>

Revert old wrapper for PySide signals, because of generating incorrect arguments in PySide

ClasspathPanelImpl is reinitialized on rootsChange after models are committed so we need to reset old models in ModuleEditor before invoking multiCommit.

Signed-off-by: Vassiliy.Kudryashov <Vassiliy.Kudryashov@jetbrains.com>

static imports: don't compare with expected type when it depends on unresolved reference (IDEA-163072)

* asterisk added
* Make PyUniversalTests obey test-specific arguments

# Conflicts:
#	platform/platform-tests/testSrc/com/intellij/execution/GeneralCommandLineTest.java

Previously the script will just report a warning, so we can get a successful build with missing artifacts. New 'Development mode' option is added for such cases.

* don't show completion autoPopup if there is no changelist Combobox
 data in the related document;

On document change lexer was started with initial state where '/' is
matched as a beginning of the regex literal.