Rename ToolBoxFactory -> ToolBarFactory, as the service is named.

Change-Id: Iec6cbefcb6863f14d6c21b2f7fd8e3418cb5d2d5
misc cleanup and unnecessary OUStrings

Change-Id: Idef960995d7b13af049de5a5045b99df642dc3df
Simplify the code a bit.

Change-Id: I57581fb0f3439ddc4a4848466f6925d962b04aea
Do not throw if AcceleratorConfigurations are missing.

Which can happen on mobile platforms if we don't want them.

Change-Id: I53639ccc75886708850d2d3a01eec76104b7f2c9
native code generator: Do not use uui component.

Since fe537786a42abea57551395f73328db48bebd086 and
4ff56fd1fa6f0ad2501274086a03d51a0e9cf03f it should not be needed.

Change-Id: I497c7920e94c322cee5db1b10cd61f30dfbba634
Survive missing UIElementFactories.

And try to not use AddonsToolBarFactory in native code generator.

Change-Id: I4782e6c719bdc7e01da14d2ea026e119da542517