Add Lintian override for license-problem-gfdl-invariants

The docs for phing do not contain any invariant sections.
Added php5-json as a Dependency

Because JSON support got dropped from php5 source itself
and is now provided via an extra package.

Git-Dch: long
Closes: #713220
Fix usage of wrong dbc_dbserver variable in postinst
Removed debconf integration for httpd selection
Removed debconf templates for httpd selection
Added support for Apache 2.4 config integration
Updated README.Debian with Apache2 changes
Revert "Add Lintian override for license-problem-gfdl-invariants"

This reverts commit 9e8543428f197caae9f226449445e6ec28c1f0ba.

Check is now "license-problem-gfdl-invariants-empty" and no longer an error.
changelog for 1.9.0+dfsg1-2
Make debconf stop explicitly at the end of post*
changelog for 1.9.0+dfsg1-3
Imported Upstream version 1.9.1
Merge tag 'upstream/1.9.1'

Upstream version 1.9.1

# gpg: Unterschrift vom So 08 Sep 2013 18:32:07 CEST mittels RSA-Schlüssel ID 9B1F5883
# gpg: Korrekte Unterschrift von "Markus Frosch <markus@lazyfrosch.de>"
# gpg:                     alias "Markus Frosch (NETWAYS) <markus.frosch@netways.de>"
DFSG cleaned upstream version 1.9.1+dfsg1

Removed
* ./lib/ext3/resources/charts.swf
* ./lib/ext3/examples/image-organizer/SWFUpload
Merge tag 'upstream/1.9.1+dfsg1'

DFSG cleaned upstream version 1.9.1+dfsg1
Cleanup local gbp.conf - managing dfsg in upstream now
Cleaned up installation of docs
Changelog for 1.9.1+dfsg1-1
Merge branch 'master' into debmon-wheezy

Conflicts:
	debian/changelog
	debian/gbp.conf
Changelog for 1.9.1+dfsg1-1~debmon7+1