Rename Object to RootObject
Remove cppunit
Remove redundant FuncDeclaration::isAbstract
Fix some more cutting #ifs
Merge pull request #2198 from yebblies/_object

[DDMD] Rename Object to _Object
Merge pull request #2209 from yebblies/killif

[DDMD] Remove some dead code and cutting #ifs
Merge pull request #2208 from yebblies/abstract

[DDMD] Remove redundant FuncDeclaration::isAbstract
Merge pull request #2206 from yebblies/removecppunit

Remove cppunit