Merge pull request #4115 from bwbarrett/v3.0.0-rc4

build: On to 3.0.0rc4

Author: bwbarrett

VERSION

@@ -24,7 +24,7 @@ release=0
 # requirement is that it must be entirely printable ASCII characters
 # and have no white space.
 
-greek=rc3
+greek=rc4
 
 # If repo_rev is empty, then the repository version number will be
 # obtained during "make dist" via the "git describe --tags --always"