Tooltip Text and Minor Enhancements

- Added tooltip text to status panel.
- Memory is no longer cleared on reset.
- Console can now receive key-strokes even while the simulator is
  stopped (for single-stepping programs that require interaction)
- Updated screenshots with bug-fixed version.

pom.xml

@@ -4,7 +4,7 @@
     <groupId>com.loomcom.symon</groupId>
     <artifactId>symon</artifactId>
     <packaging>jar</packaging>
-    <version>0.8.2</version>
+    <version>0.8.3</version>
     <name>symon</name>
     <url>http://www.loomcom.com/symon</url>
     <properties>