* Add a .source- or src-suffix to source-archives
 * Expand the prefix in the getter, not setter. This way the original value
   stays available.
 * The not-expanded prefix is used as prefix in source-archives
 * PACKAGEVERSION and PACKAGEDIRECTORY macro's are added to the dictionary
 * Use the zipprefix also for source-archives
 * Allow usage of dictionary-macro's while creating source-archives


git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@28966 3ad0048d-3df7-0310-abae-a5850022a9f2