install: note that OPAM 1.1 or greater is required
Install: refresh instructions to reflect that we need either 4.01.0 or 4.00.1
install: tweak
tutorial: refresh hello world in preparation for mirage-www tutorial
install: note that at least mirage 1.0 should be used, not the beta versions

closes mirage/mirage#146
Merge pull request #59 from avsm/master

updates to install/hello world
Wiki Atom url should be absolute

Closes mirage/mirage#162
Further fixes to Atom feed validation

related to mirage/mirage#162
Travis: Add production config file for deployment builds
Merge pull request #60 from avsm/master

Fix atom feeds
Trim unused file
Merge branch 'master' of github.com:mirage/mirage-www
Add article on how to build the mirage-www with 1.0
Add blog entry for mirage 1.0.3
Merge pull request #61 from avsm/master

Add article on how to build the mirage-www with 1.0