Tagging process streamlined

A tagRelease.bash script is created in order to streamline the tagging
process. Now tag messages contain a link to the changelog between

Change-Id: I14effc4e7586f5d41e5c1df5561350fbe5dc48b7
diff --git a/release.bash b/release.bash
index e261c37..a18d51b 100644
--- a/release.bash
+++ b/release.bash
@@ -6,7 +6,7 @@
 function usage() {
   cat <<END
-  Usage: $progname [--channel CHANNEL]
+  Usage: $progname [--channel CHANNEL --browser BROWSER]
   optional arguments:
     -h, --help     show this help message and exit