update README.md

Author: 4nd3r

README.md

@@ -4,18 +4,15 @@ This is the [community maintained](https://github.com/cdist-community)
 fork of [ungleich](https://github.com/ungleich)'s [cdist](https://github.com/ungleich/cdist)
 (after [f061fb1](https://github.com/ungleich/cdist/commit/f061fb168ddacc894cb6e9882ff5c8ba002fadd8)).
 
-Work is split between four repositories:
+Work is mostly split between three main repositories:
 
-* [cdist](https://github.com/cdist-community/cdist) - documentation, project wide issues etc.
-* [cdist-core](https://github.com/cdist-community/cdist-core) - implementation of the **cdist core**.
+* [cdist-core](https://github.com/cdist-community/cdist-core) - implementation of the **cdist core** and quick **getting started** bits.
 * **cdist-conf** - **essential** explorers and types (this repository).
 * [cdist-extra](https://github.com/cdist-community/cdist-extra) - **non-essential** explorers, types, scripts, tools etc.
 
-Difference between essential and non-essential? Explorers and types which are
-used to manage state of the operating system (modify files and directories,
-install packages, manage services, etc.) and are not strictly related to some
-specific piece of software are considered essential.
+## Essential vs non-essential?
 
-## Getting Started
-
-See [cdist](https://github.com/cdist-community/cdist) repository.
+Explorers and types which are used to manage state of the operating system
+(modify files and directories, install packages, manage services etc.) and are
+not strictly related to some specific piece of software are considered
+essential.