Cleaned up some hacky code in the process.

Done-with: Tobias Hunger

rename BastTextEditor->BaseTextEditorWidget, BaseTextEditorEditable->BaseTextEditor
rename BaseTextEditor{,Widget} subclasses
rename editableInterface->editorInterface
rename createEditableInterface->createEditor
minor cleanups after renamings

Fix git show using the default format the first time it gets used.

Task-number: QTCREATORBUG-3412

Reviewed-by: hjk

Task-number: QTCREATORBUG-3390

If we have some git operation in an editor already: Bring that to
the foreground.

Allow for pretty format selection in git show.

Save selected value and default to "email".

Task-number: QTCREATORBUG-3341

Add tooltips to the toggles found in the Git Blame and Diff editors.

get away from argument stringlists. instead, use native shell command
lines which support quoting/splitting, environment variable expansion
and redirections with well-understood semantics.

Task-number: QTCREATORBUG-542
Task-number: QTCREATORBUG-1564

When checking for a difference and being asked to handle untracked
files: Actually consider the presence of untracked files a change.

Fixes git commit editor not coming up when there were no changes,
only additions of new files.

Ignore spacing changes in diff (based on same setting as used to
ignore spacing in git blame).

Task-number: QTCREATORBUG-2526

Handle detached HEADs as well as cloning from repositories that default
to another branch but master. This is relevant when clonig local
repositories.

Reviewed-by: Friedemann Kleint

Merge-request: 2178
Reviewed-by: Tobias Hunger <tobias.hunger@nokia.com>

Added few new functions to IVersionControl, VCSManager and GeneratedFile to support the funcationality needed by the trac plugin.
All the version control plugins updated to have implementations according to the interface changes.

Merge-request: 2178
Reviewed-by: Tobias Hunger <tobias.hunger@nokia.com>

Merge-request: 2178
Reviewed-by: Tobias Hunger <tobias.hunger@nokia.com>

Fix commiting with Author and Email set on Windows.

Task-number: QTCREATOR-2397

Reviewed-by: dt

In cases where binary 'wish' is not in PATH variable this could not be
started.

Also introduce a indirection, modes have now types, edit and debug have
the same type, and editors do have a prefered type of modes instead of a
prefered mode.

That fixes the bug that if the prefered qml editing mode was set to
design, then in switching between qml editors would
- in Edit Mode: stay in edit mode
- in Debug Mode: switch to debug mode

Make GitClient::synchronousGit use the process environment.

Windows: Add a setting to fake a 'HOME' environment variable
(%HOMEDRIVE%%HOMEPATH%) to make msysgit look for its SSH-keys
there not only when run from git bash, but also from Qt Creator.
Useful in MinGw-setups, where git must not be in the path.

Task-number: QTCREATORBUG-1642

Provide UI with manual refresh button in BaseCheckoutWizardPage.
Change ProcessCheckoutJob to be able to execute several steps.
Implement in git.

Task-number: QTCREATORBUG-1795

Task-number: QTCREATORBUG-1795

Reviewed-by: con

Task-number: QTCREATORBUG-1577

Introduce extra flag.

Task-number: QTCREATORBUG-1623