Merge pull request #68 from deg/master

More English grammar tweaks, this time for tutorials 17 and 18.
changed known to now
Merge pull request #69 from marcuscreo/master

changed know to now
Fix minor spelling error.
Merge pull request #72 from ryankask/patch-1

Fix minor spelling error.
Update tutorial-11.md

Fix spelling mistake (wich => which)
Merge pull request #76 from marcuscreo/master

Update tutorial-11.md
fixed min-lein-version
added note on min-lein-version
layout correction
layout correction
Include Clojure web server in Chapter 2.

This allows you to launch a webserver without downloading MAMP or using the Python HTTP server.
upgraded enlive to 1.1.4 and lein-ring to 0.8.7
upgrade enlive to 1.1.4
upgraded enlive to 1.1.4 and lein-ring to 0.8.7
upgraded lein-rin to 0.8.7
upgraded CLJS to 0.0-1859
upgraded the references to CLJS, lein-try, lein-ancient and :min-lein-version
upgraded lein-ring to 0.8.7
rollback to CLJS 0.0-1847, upgraded piggieback to 0.1.0