Documentation CSS: remove body text color

Help text should use the QPalette color.

Task-number: QTBUG-42399
Change-Id: Ibc8658b4a7affc2481d895c13cfa673b50a872e0
Reviewed-by: Topi Reiniö <topi.reinio@digia.com>
iOS: Update integrated event dispatcher to support 64-bit x86

Needed so that we can build simulator builds for x86_64 as well as
i386. The function call alignment is the same, but we need to use
the 64-bit versions of the instruction and operands.

Change-Id: I62cc78e23b5e0923382d19570ce18f558894e6a0
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
docs: WindowType is important for dialogs to center themselves

Task-number: QTBUG-41844
Task-number: QTBUG-36185
Change-Id: I61605006048e81d2666eea34f4d041124a24199f
Reviewed-by: Laszlo Agocs <laszlo.agocs@digia.com>
Doc: add new Qt Creator Manual topics to externalpages

New in some earlier version:
- Parsing C++ Files
New in Qt Creator 3.3:
- Qt Quick UI Forms
- Using Clang Static Analyzer

Change-Id: I2821b31f4c67b79e6a178018a6acba5b828edb3e
Reviewed-by: Topi Reiniö <topi.reinio@digia.com>