Merge pull request rsyslog#162 from teifler/ompipe2doc

Added ompipe to doc

imfile: document new parameter

Merge branch 'master' into v8-stable

Merge branch 'master' into v8-stable

Conflicts:
	source/conf.py

fix formatting errors

Merge pull request rsyslog#102 from jgerhards/master

fixed formatting

Merge branch 'v8-stable'

bugfix: ommail supports RainerScript parameters only in v8.5.0+

backport release build script

Merge branch 'v7-stable' into v8-stable