otatools: build-with-colors

- add new file for common functions and stuff
 - though it doesn't contain any function now ;)
- red color for errors
- yellow color for "Optimizing: *"
- cyan color for modversion :)
- green color for "package complete"
- and some general cleanup

Change-Id: I83b2e352580e99b1766c5e63821281224cde5c49

tools/functions

@@ -0,0 +1,15 @@
+#!/bin/bash
+# Common functions for CM otatools
+#
+# cdesai
+
+if [ ! "$BUILD_WITH_COLORS" = "0" ];
+then
+CL_RED="\033[31m"
+CL_GRN="\033[32m"
+CL_YLW="\033[33m"
+CL_BLU="\033[34m"
+CL_MAG="\033[35m"
+CL_CYN="\033[36m"
+CL_RST="\033[0m"
+fi