fix stdoutFilterFunction for MSVC PCHs

For some weird reason the MSVC compiler outputs the header file to be
precompiled twice. We filter now all occurrences of the input file
name from stdout.

Change-Id: I4d0e60af02cc00e836eea278dbfdaf11f48c3432
Reviewed-by: Christian Kandeler <christian.kandeler@digia.com>
add /FS to cpp.platformC(xx)Flags for VS 2013

Task-number: QBS-411

Change-Id: I83436f66e9de4f22e0a980c6322909e9854b91cf
Reviewed-by: Christian Kandeler <christian.kandeler@digia.com>