Set version to 1.1.1-SNAPSHOT.
(#13) Add CSS rules for tables, indent images.
Bump PlantUML to 7968, set version to 1.1.1.
Merge branch 'maintenance/doclet/1.1'

Conflicts:
	pom.xml
Merge remote-tracking branch 'origin/master' into idea-plugin
Keep the rendering options button for the project enabled, even if Pegdown is disabled for the project.

This enables the user to select "Enabled" for single modules and change the rendering options globally.
Implement RenderingOptions.applyTo(), add docs for IDEA plugin.