add yardopts to allow easy autogeneration
update gitignore
convert features documentation
convert control file doc to markdown
update gitignore
fix yard warning
add inst files documentation
fix typo
update control file locations
improve visibility of elements
convert tabs to spaces
fix indentation
improve as suggested by @kobliha
Merge remote-tracking branch 'origin/master' into improve_doc

Conflicts:
	control/Makefile.am
	control/docs/control-section.xml
Merge pull request #90 from yast/improve_doc

Improve doc