Typo: this.fullModulename -> this.fullModuleName
Typo: this.fullModulename -> this.fullModuleName

This fixes the previous generation of app/etc/modules/undefined.xml
danemacmillan/generator-magentomodule,mannebusk/generator-magentomodule,danemacmillan/generator-magentomodule,mannebusk/generator-magentomodule