Release 0.8

Changes from 0.7

High level ringo/webapp package has been removed, remaining low level HTTP functionality repackaged.
Skin functionality has been removed, replaced by mustache.js.
Storable host class has been removed.
Jetty updated to 7.4.1.
Rhino updated to 1.7R3.
Package support no longer puts each package on the module search path.
Packages and modules can be loaded transparently from the Java classpath.
Removed demo apps.
Updates to ringo-admin and ringo-doc tools.
Support for console object.
Fancy output rendering in Ringo shell.