make additional tests optional

- Remove them from the MANIFEST as they are
  not supposed to be distributed.
Better unittest progress messages
Merge pull request #689 from andralex/unittest-msgs

Better unittest messages
pthread_mutex_timedlock timespec is scope const
Fix InterlockedCompareExchange prototype
Merge pull request #691 from ibuclaw/interlocked

Fix InterlockedCompareExchange prototype
Define PTHREAD_MUTEX_INITIALIZER and PTHREAD_ONCE_INIT for all supported platforms.
Merge pull request #690 from ibuclaw/pthreads

pthread_mutex_timedlock timespec is scope const
Merge pull request #692 from ibuclaw/mutex

Define PTHREAD_MUTEX_INITIALIZER and PTHREAD_ONCE_INIT for all supported platforms.
wchar versions of CreateWindowExW WNDCLASSEXW to support unicode text
Merge pull request #693 from foobit/master

wchar versions of CreateWindowExW WNDCLASSEXW to support unicode text
Detect OS and MODEL properly; default DMD to development ../dmd/src/dmd
Fix FreeBSD/32 model detection
Merge pull request #694 from andralex/makefile

Detect OS and MODEL properly; default DMD to development ../dmd/src/dmd
add SetFileAttributes
Merge pull request #696 from MartinNowak/windowsAPI

add SetFileAttributes
detect other uname -m outputs

- x86_64, amd64 => MODEL:=64
- i386, i586, i686 => MODEL:32
Merge pull request #697 from MartinNowak/fixAutoMODEL

detect other uname -m outputs
Merge pull request #654 from MartinNowak/optionalTests

[2.065] make additional tests optional
core.sys.posix.fcntl: Fix F_GETLK/F_SETLK/F_SETLKW on Linux/X86_64