Document how to install likvid.

README

+== Welcome to likvid
+
+To install:
+
+ - create config/database.yml from config/database.yml.template
+
+ - give MySQL access to the user you specify in database.yml, with
+   something similar to this:
+
+    grant all on likvid_development.* to rails;
+    grant all on likvid_test.* to rails;
+    grant all on likvid_production.* to rails;
+    create database likvid_development;
+    create database likvid_test;
+    create database likvid_production;
+
+ - run "rake migrate".  Edit RAILS_GEM_VERSION in
+   config/environment.rb if rake tells you to do so.
+
+ - run "script/server".
+
+ - point a browser at the URL that script/server prints.  That's all!
+
+Below is the default Rails README file.
+
 == Welcome to Rails
 
 Rails is a web-application and persistence framework that includes everything