src/main/scripts: fix displaying of colors.

$ sh -c 'echo "\033[1;32mSUCCESS\033[0m"'
SUCCESS
$ bash -c 'echo "\033[1;32mSUCCESS\033[0m"'
\033[1;32mSUCCESS\033[0m

Also use `printf` instead of `echo -e` to make scripts work on MacOS.

Correction for f296397 commit.

Addressed to #351

Author: php-coder

src/main/scripts/ci/common.sh

@@ -1,21 +1,20 @@
 print_status() {
 	local we_failed="$1"
 	local msg="$2"
+	local status='SUCCESS'
 
-	printf "* $msg... "
 	if [ -n "$we_failed" ]; then
-		echo "\033[1;31mFAIL\033[0m"
-	else
-		echo "\033[1;32mSUCCESS\033[0m"
+		status='FAIL'
 	fi
+	printf "* %s... \033[1;32m%s\033[0m\n" "$msg" "$status"
 }
 
 print_log() {
 	local log_file="$1"
 	local msg="$2"
 
 	echo
-	echo "=====> \033[1;33m$msg\033[0m"
+	printf "=====> \033[1;33m%s\033[0m\n" "$msg"
 	echo
 	egrep -v '^\[INFO\] Download(ing|ed):' "$log_file"
 }