Bump version to 1.6.0-b1
Typo
1.5.0 release notes
Changed version to 1.5.0-beta1 to be exact
Add the Ext.ensible (and .Date) singletons to the doc output
Split 1.x and 2.0 branches
1.0 final
RC2 release notes and version update
Release notes and version updates for RC1 release