Clean up .gitignore.
Fix: A Qt header (QStringBuilder) had escaped from its guards.

Signed-off-by: Stephen Lyons <slysven@virginmedia.com>
Merge pull request #82 from ahmedcharles/gitignore

Clean up .gitignore.
Merge pull request #86 from SlySven/fixup_MvcsMemleakCheckGuard

Fix: A Qt header (QStringBuilder) had escaped from its guards.
Enable cmake tests.

There aren't any tests yet, but there will be.