[BUGFIX] Corrected namespace import for ResourceUtility
[TASK] CGL remove use leading backslash
PHP Docs
Note that for namespaced names (fully qualified namespace names containing namespace separator, such as Foo\Bar as opposed to global names that do not, such as FooBar),
the leading backslash is unnecessary and not recommended, as import names must be fully qualified, and are not processed relative to the current namespace.
[TASK] Add aliases for keyword "Variable"

To allow a smooth migration and dont force the user to a specific chronology how to migrate to namespaces we have to add alias mappings for the keyword "Var" but also for "Variable" in the unnamespaced classnames.
Merge pull request #612 from benjaminrau/classmap

[TASK] Add aliases for keyword "Variable"
[BUGFIX] Hotfix class alias map for Typoscript VHs
Merge pull request #610 from xf-/cglUseNamespaces

[TASK] Namespaces should not contain a prefix backslash