Adding env bean to Appender so that it can be passed with Events into…

… the Scalyr API

samples/logback.xml

@@ -12,6 +12,9 @@
         <logfile>myapp</logfile>
         <parser>logback</parser>
         <serverHost>myhost</serverHost>
+        <!-- Uncomment to set an env and send to scalyr in the ServerInfo
+          <env>myenv</env>
+        -->
         <!--  Uncomment to override default layout
         <layout class="ch.qos.logback.classic.PatternLayout">
             <pattern>%-4relative [%thread] - %msg%n</pattern>

src/main/java/com/scalyr/logback/ScalyrAppender.java

@@ -84,6 +84,14 @@ public String getParser() {
         return parser;
     }
 
+    public void setEnv(String env) {
+        this.env = env;
+    }
+
+    public String getEnv() {
+        return env;
+    }
+
     public void setParser(String parser) {
         this.parser = parser;
     }