bump x.y.z version to odd y following creation of RELEASE_3_12 branch

Author: nturaga

DESCRIPTION

@@ -4,7 +4,7 @@ Description: This package provides infrastructure for parallel
 	computations distributed 'by file' or 'by range'. User 
 	defined MAPPER and REDUCER functions provide added 
 	flexibility for data combination and manipulation.
-Version: 1.26.0
+Version: 1.27.0
 Authors@R: c(person("Bioconductor Package Maintainer", role = c("aut", "cre"),
 		     email = "maintainer@bioconductor.org"),
 	      person("Valerie", "Obenchain", role = "aut"),