#148 Microsite

This enables the usage of sbt-microsites for generating and publishing
the documentation.

### Changes

* prepare travis-ci for sbt-microsites
* enable publishing via travis-ci
* include sbt-microsite plugin
* add ENSIME files to `.gitignore`
* update sbt to 1.0.4
* create minimal README for main project
* split up old README into multiple files to create the docs from
* some adjustments and refinements

Author: jan0sch

.gitignore

@@ -8,3 +8,6 @@ coveralls-token.txt
 /*.html
 dump.rdb
 logs
+.ensime
+.ensime_lucene
+.ensime_cache

.travis.yml

@@ -17,3 +17,10 @@ cache:
 before_cache:
   - find $HOME/.sbt -name "*.lock" -type f -delete -print
   - find $HOME/.ivy2/cache -name "ivydata-*.properties" -type f -delete -print
+before_install:
+  - export PATH=${PATH}:./vendor/bundle
+install:
+  - rvm use 2.2.8 --install --fuzzy
+  - gem update --system
+  - gem install sass
+  - gem install jekyll -v 3.2.1