[maven-release-plugin] prepare release v0.18.3

Author: sstone

pom.xml

@@ -3,7 +3,7 @@
     <groupId>fr.acinq</groupId>
     <artifactId>bitcoin-lib_2.11</artifactId>
     <packaging>jar</packaging>
-    <version>0.18.3-SNAPSHOT</version>
+    <version>0.18.3</version>
     <description>Simple Scala Bitcoin library</description>
     <url>https://github.com/ACINQ/bitcoin-lib</url>
     <name>bitcoin-lib</name>
@@ -26,7 +26,7 @@
         <connection>scm:git:[email protected]:ACINQ/bitcoin-lib.git</connection>
         <developerConnection>scm:git:[email protected]:ACINQ/bitcoin-lib.git</developerConnection>
         <url>[email protected]:ACINQ/bitcoin-lib.git</url>
-        <tag>HEAD</tag>
+        <tag>v0.18.3</tag>
     </scm>
 
     <developers>