Add staging support (PR 189897 plus a few fixes for non-root building).

Also, fix a few minor issues in pkg-message.

PR:		189897
Submitted by:	joe@thrallingpenguin.com
mail/p5-Mail-DKIM: shebangfix

Approved by:	portmgr blanket (implicit), mentors (implicit)
mail/mailgraph: fixed shebang

Approved by:	mentors (implicit), portmgr (blanket)
Upgrade to version 8.1.15 (v20140411).
- shebangfix
- allow staging as a regular user
- Allow staging as a regular user
- Remove non needed include
Allow staging as a regular user
Allow staging as a regular user
Allow staging as a regular user
Update to 0.9.6
Uncondemn by adding patches to appease new C++ compilers
(tested against GNU 4.8 and clang 3.4). Add support for staging.

While here, change vegastrike to build against the existing
boost.

While here, rearrange vegastrike-data to extract directly to
${STAGEDIR}${DATADIR} -- saving one round of data-writing.
Update to 7u60.
- Unbreak make extract
- Allow staging as a regular user

PR:		ports/190761
Convert to STAGE.
Add -D_IPP_PRIVATE_STRUCTURES to CPPFLAGS to fix the build with CUPS.

PR:		189538
Obtained from:	https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=713558
Remove useless pre.mk/post.mk dance
Update to 20140527
- Update to 0.11.13

PR:		190296
Submitted by:	Jin-Sih Lin <linpct@gmail.com>
- Keep portscout from looking for newer versions

PR:		189839
Submitted by:	Joseph Benden <joe@thrallingpenguin.com>
- Keep portscout from looking for newer versions

PR:		189867
Submitted by:	Joseph Benden <joe@thrallingpenguin.com> (maintainer)