Update version number to 1.9.1

Author: junichi11

build.xml

@@ -13,7 +13,7 @@
     <property name="groupId" value="com.junichi11.netbeans.modules" />
     <property name="artifactId" value="netbeans-encoding" />
     <!-- also change the version of pom.xml -->
-    <property name="version" value="1.9.0" />
+    <property name="version" value="1.9.1" />
     <!-- defined maven snapshots and staging repository id and url -->
     <property name="ossrh-snapshots-repository-url"
               value="https://oss.sonatype.org/content/repositories/snapshots/" />

manifest.mf

@@ -2,5 +2,5 @@ Manifest-Version: 1.0
 OpenIDE-Module: com.junichi11.netbeans.modules.encoding
 OpenIDE-Module-Layer: com/junichi11/netbeans/modules/encoding/resources/layer.xml
 OpenIDE-Module-Localizing-Bundle: com/junichi11/netbeans/modules/encoding/Bundle.properties
-OpenIDE-Module-Specification-Version: 1.9.0
+OpenIDE-Module-Specification-Version: 1.9.1
 

pom.xml

@@ -4,7 +4,7 @@
     <groupId>com.junichi11.netbeans.modules</groupId>
     <artifactId>netbeans-encoding</artifactId>
     <!-- change the version of build.xml -->
-    <version>1.9.0</version>
+    <version>1.9.1</version>
     <packaging>nbm</packaging>
     <name>NetBeans Encoding Plugin</name>
     <url>https://github.com/junichi11/netbeans-encoding-plugin</url>