Now in Qt proper.

Name::identifier() returns the identifier used to declare the name.

HTML escaping was moved out of the TypePrettyPrinter since it interferes
with other logic there. Instead, the region to mark is now available
from the Overview and used by the FunctionArgumentWidget to put the
current argument in bold.

Reviewed-by: Roberto Raggi

The backwards scanner lazily tokenizes strings. This optimizes the
common case where scanning one or two lines is enough while at the same
time we extended the limit from 5 to 10 lines.

Reviewed-by: Roberto Raggi

This reverts commit 28303e86.

Only attempt to activate the completion when there is a function id on
the left of the parenthesis.

Reviewed-by: Roberto Raggi

Fixes performance issue with typing opening parentheses.

Reviewed-by: Roberto Raggi

Make operator% only act on types we want to handle.
Also add a benchmark for comparison with QString::reserve();

Drop original QStringBuilder class, rename QStringBuilderPair to
QStringBuilder. Put everything except the QLatin1Literal class and
the global operator%() in a private namespace.

This also extends and re-organizes the benchmark a bit

Still too unstable after all.

This reverts commit 6f3c9f70.

This reverts commit 84ba24ac.

It might work now cause of the fix done in commit
f3767148.

Reduce inconsistencies in tr()-Strings provided for
QActions that act on a current <something> (mostly files) by
introducing a ParameterAction class that takes the tr()-Strings
at construction time and provides a setParameter(QString) slot,
allows for setting that parameter or an empty string, which
will cause the displayed text to be updated.

Moved unCommentSelection() in creator/libs/util so we can use it for other C-like languages (e.g QML and JS).