Fix build on SunOS with native curses.

* Detect isblank in configure script.
Fix build on OmniOS.

* Add -fno-stack-protector to CFLAGS to fix link error for SunOS.
* Patch configure.ac and regenerate the related stuff.
* Buildlink sysutils/file for libmagic.
* Detect dirfd, setprogname and htonll in configure script.
* Create PLIST for NetBSD and SunOS.
Needs the same __fpending workaround on Cygwin as devel/m4.
Bump PKGREVISION.

* Pass /usr/bin/env interpreter check for more files, fix build on OmniOS.
Updated lang/python27 to 2.7.5nb3
Replace python interpreter path in installed script.
Bump PKGREVISION.
Updated www/py-nevow to 0.10.0nb2
<cstdlib> is needed for rand(). Kill various inconsistent restricts.
Fix template lookup.
Build libf95 as shared library. Add rpath entries automatically as
needed. Bump revision.
Updated lang/g95 to 0.93nb4
Don't use gethostbyname_r on NetBSD.
Fix include guards. Fix format string. Fix uninitialised variables.
Not MAKE_JOBS_SAFE. Bump revision.
Update to hydra-7.5 since the old version doesn't build with newer
libssh. Too many changes to list indivually. Adjust license to AGPLv3.
Add boost header required by parts of xmltooling.
The about-wordmark resource changed from .svg to .png
Use a more robust way to find the current stack frame. Fixes infinite
loop when trying to load the script binding, if build with clang.
GC, merged into main PLIST.
Fix build on SmartOS.
I cannot confirm the functionality of this change's result sadly
(no display and no ssh -Y).
The build is completed.
Try to reintrodece PLIST conditionals related to vorbis.