Add missing dependencies to ruby
also put INSERT_PRODUCTS_PATH in erp5testrunner's sys.path

Tests directory of inserted paths also needs to be in sys.path so that tests
can import other tests.
Update eggs version
Fix CHANGES rst syntax.
version up : ghostscript 9.07.

* enable thread safe
* build without libidn
version up : poppler 0.22.2.
version up : libcroco 0.6.8, librsvg 2.36.4.

(librsvg 2.37 requires newer pango.)
Update apache_frontend documentation.

Mention the setcap solution to allow listening to port 443 and 80.
version up : erp5.util = 0.4.33 and add zodbanalyze.
updated versions
disable thread safe in ghostscript-9.07

because the output seems broken with enabling thread safe.
Merge branch 'erp5-component' into erp5
Merge branch 'erp5'
Merge branch 'master' into erp5-component
refer to master branch
fixed version pinning, use specific commit for the cookbook
Merge branch 'maarch'

Conflicts:
	stack/lapp/buildout.cfg
error message fix
simpler, more robust PBS promise
removed call to ssh.terminate()