fix more unused variable warnings
Disabling GNU C++ demangler on BGQ
Fixing linker errors in performance tests
Fixed #1011: After installation, running applications from the build/staging directory no longer works
Working on #1063
More work on #1063
Merge branch 'fixing_1063'
Reorder includes to ensure ws2 includes early

If the header order is wrong (hpx_init too late) windows.h ends up being
included before ws2_32.h, which causes several conflicts inside of
Winsock2, blocking the compilation.
Merge pull request #1064 from zao/fix-win64-compile-faults

Reorder includes to ensure ws2 includes early
Slightly refactoring parcelport_impl
Fixing unsigned/signed comparison
Disable warning about deprecated register keyword for BGQ builds
Fixing strange locale bug on BGQ based systems
Cleanup for the MPI parcelport
Added check for invalid inner future in unwrap
Fixing warnings issued by PVS studio
Fixing things MSVC missed
Minor adjustments in the iostreams component to make GNU debug C++ mode happy
Fixing gcc compilation error
Changing iostream buffer to use std::vector instead of std::deque.

This fixes an error reported by the gnu C++ standard library debug mode.