Fix maven settings placeholder and added verbosity

Author: viniciusam

.travis/install_utplsql.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-set -e
+set -ev
 
 # Download the specified version of utPLSQL.
 curl -L -O "https://github.com/utPLSQL/utPLSQL/releases/download/$UTPLSQL_VERSION/$UTPLSQL_FILE.tar.gz"

.travis/maven_cfg.sh

@@ -1,9 +1,10 @@
 #!/bin/bash
-set -e
+set -ev
 cd $(dirname $(readlink -f $0))
 
 if [ "$ORACLE_OTN_USER" == "" ] || [ "$ORACLE_OTN_PASSWORD" == "" ]; then
     echo "Oracle OTN username/password not specified."
+    exit 1
 fi
 
 MAVEN_SETTINGS=$HOME/.m2/settings.xml

.travis/settings.tmpl.xml

@@ -26,8 +26,8 @@ under the License.
     <servers>
         <server>
             <id>maven.oracle.com</id>
-            <username>###USERNAME###</username>
-            <password>###PASSWORD###</password>
+            <username>###ORACLE_OTN_USER###</username>
+            <password>###ORACLE_OTN_PASSWORD###</password>
             <configuration>
                 <basicAuthScope>
                     <host>ANY</host>

.travis/start_db.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-set -e
+set -ev
 
 # If docker credentials are not cached, do the login.
 if [ ! -f $DOCKER_CFG/config.json ]; then