added build status overview page
guidelines.html - added Travis integration paragraph
code-review.md - added green Travis build requirement
added Travis integration document
Merge pull request #12 from yast/Travis

Travis documentation
link to the readthedocs.org documentation
Merge pull request #13 from yast/readthedocs

link to the readthedocs.org documentation
README.md - added documentation status badge
build status update

"theme", "slideshow" and "schema" are not built at Travis
Better integration with readthedocs

 * architecture.asciidoc => architecture.md
 * Added doc/README.md
Typo fixed in doc/README
Delete architecture.asciidoc (missing in previous commit)
Some improvements in architecture.md wording
Merge pull request #14 from yast/improvements

Small Improvements
Merge pull request #15 from ancorgs/more_readthedocs

Better integration with readthedocs
Repository-wide conversion of Yast into YaST
Merge pull request #16 from ancorgs/capitalization

Repository-wide conversion of Yast into YaST
Fixed the link to architecture and raised the ruby-binding paragraph
Merge pull request #17 from ancorgs/fix_doc

Fixed the link to architecture and raised the ruby-binding paragraph
Adapt markdown syntax to readthedocs.org