use '?=' on PORTREVISION, slave ports need it.

Submitted by:	sunpoet@
finance/frontaccounting: upgrade to 2.3.22

- Upgrade to 2.3.22
- Depend on Apache 2.2 or later.
- Add dependency on mod_php5 or CGI when used with Apache
- Add NLS option
- (re-)assign maintainer to ek@purplehat.org

PR:		194255
Differential Revision:	https://reviews.freebsd.org/D964
Submitted by:	ek@purplehat.org
Approved by:	swills (mentor)
- Update from 5.1.3 to 5.2.0
- Docs is no longer available in the zip file

Changelog: http://pmd.sourceforge.net/pmd-5.2.0/overview/changelog.html
Update to version 1.5.6.
Update sysutils/zogftw to 2014-09-20-28bc862

PR:		ports/193806
Submitted by:	fk@fabiankeil.de (maintainer)
Approved by:	mentors (implicit)
Update to 1.0.3.
Fix LATEST_LINK.
Changes the pidfile used by daemon when start traffic server,
the previous one conflicts with traffic_cop pidfile.

PR:		ports/193553
Submitted by:	realhuang21@gmail.com
Approved by:	mentors (implicit)
misc/rubygem-mime-types: update to 2.4.2
devel/rubygem-execjs: update to 2.2.2
devel/rubygem-jbuilder: update to 2.2.2
devel/rubygem-sprockets-rails: update to 2.2.0
www/rubygem-turnbolinks: update to 2.4.0
security/sslsplit: add port
net/py-ldap2: update to 2.4.18
net/py-smb: update to 1.1.13
devel/jenkins-lts: Fix permissions on ${PREFIX}/jenkins

While here, bring over other changes from devel/jenkins

PR:		194274
Reported by:	Holger Freyther <holger@freyther.de>
Switch from clang33 to clang34 for ports using compiler:*11*, objc or
gnustep on freebsd 8.4 and 9.1

PR:		ports/193555
Differential Revision:	https://reviews.freebsd.org/D935
Reviewed by:	bapt
Exp-run:	self
Convert to USES=python
www/py-django-app-plugins: convert to USES=python

- convert to USES=python
- limit python version to 2.x:
  """
  File "/usr/local/lib/python3.4/site-packages/app_plugins/models.py", line 24
    if not is_valid_label(name): raise RuntimeError, u"invalid label: " + name
                                                   ^
  SyntaxError: invalid syntax
  """

Approved by:	portmgr (blanket)