Update ChangeLog and configure.ac for v0.4.2

snf-image-helper/ChangeLog

+2012-06-29, v0.4.2
+	* Make the name of image properties case-insensitive
+
 2012-05-28, v0.4.1
 	* Fix a bug in FixPartitionTable where in some cases the script
 	  failed to create the logical swap partition.

snf-image-helper/configure.ac

 AC_PREREQ(2.59)
-AC_INIT(snf-image-helper, 0.4.1, synnefo@lists.grnet.gr)
+AC_INIT(snf-image-helper, 0.4.2, synnefo@lists.grnet.gr)
 
 AC_CONFIG_AUX_DIR(autotools)
 AC_CONFIG_SRCDIR(configure)

snf-image-host/ChangeLog

+2012-06-29, v0.4.2
+
 2012-05-28, v0.4.1
 
 2012-05-17, v0.4

snf-image-host/configure.ac

 AC_PREREQ(2.59)
-AC_INIT(snf-image, 0.4.1, synnefo@lists.grnet.gr)
+AC_INIT(snf-image, 0.4.2, synnefo@lists.grnet.gr)
 
 AC_CONFIG_AUX_DIR(autotools)
 AC_CONFIG_SRCDIR(configure)