Remove logback 1.1.3 security issue

cdp-pal and eelf are the dependencies using logback-classic
1.1.3. Need to use exclusions option in pom file

Change-Id: Id8f5817ec955e2b7b486bc0215c35541086606aa
Signed-off-by: Patrick Brady <pb071s@att.com>
Issue-ID: APPC-1018
diff --git a/pom.xml b/pom.xml
index 15bdd07..4472c28 100644
--- a/pom.xml
+++ b/pom.xml
@@ -377,7 +377,7 @@
             <dependency>
                 <groupId>ch.qos.logback</groupId>
                 <artifactId>logback-core</artifactId>
-				<version>${logback.version}</version>
+		<version>${logback.version}</version>
                 <scope>compile</scope>
             </dependency>
             <dependency>