* IniDBBuilder.h (IniDBBuilder::set_arch): New function.

* IniDBBuilder.h (IniDBBuilder::set_arch): New function.
(IniDBBuilder::set_release): New function.
(IniDBBuilder::arch): New storage for arch:.
(IniDBBuilder::arch): New storage for release:.
* IniDBBuilderPackage.cc (IniDBBuilderPackage::autodep): Fix cut/paste error
which ended up calling the wrong thing.
* ScanFindVisitor.cc (ScanFindVisitor::visitFile): Remove old code.
* cygpackage.cc (cygpackage::set_autodep): Implement to satisfy setup's insane
class hierarchy.
* cygpackage.h (cygpackage::set_autodep): See above.
(std::string autodep_regex): Ditto.
* package_version.cc (packageversion::set_autodep): Ditto.
* package_version.h (packageversion::set_autodep): Ditto.
* inilex.ll: Tokenize "arch:" and "release:".
* iniparse.yy: Parse ARCH and RELEASE.