Fix problem with sbs config xml parsing. Make sure to trim error message to avoid erroneously adding an error when there is none. Fix problem with adding system includes for variants.
SymbianOS.label=Symbian OS
GenericSymbianOS.label=Generic Symbian OS
S60.3.label=S60
gui.label=GUI Application
dll.label=Basic dynamically linked library (DLL)
exe.label=Basic console application (EXE)
lib.label=Basic static library (LIB)
empty.label=Empty Project for Symbian
openc.label=Open C Console Application
cclass.label=Simple Symbian Style C++ Class
activeobject.label=Active Object Class