feat: remove lots of old code

BREAKING CHANGES
 * XEarth diagrams are no longer supported
 * easter egg diagrams are no longer supported
 * plantuml doesn't provide a ftp server anymore
 * hidden "oregon" game removed
 * no more sudoku support
 * removed telnet server

build: update maven compiler plugin + java level to 1.7

Refactor:
 * Override deprecated DirWatcher with DirWatcher2
 * Remove unused package sequencediagram.puma
 * Remove unused package plantuml.hector
 * Remove unused package plantuml.geom
 * Remove unused package plantuml.graph
 * Remove plantuml.hector2
 * Remove unused classes from plantuml.graph2
 * Remove unused package plantuml.api.mda, plantuml.mda
 * Remove unused package plantuml.posimo
 * Remove unused package plantuml.project
 * Remove unused package plantuml.project2
 * Remove unused package plantuml.skin.bluemodern
 * Remove unused class version.Professional
 * Remove unused classes from plantuml.api
 * Remove unused class bpm.FootPrint
 * Remove empty, unused classes
 * Remove math.AsciiMathOld
 * Remove unused flashcode.FlashCodeUtilsNone class
 * Remove unused classes

1 files changed, 0 insertions, 38 deletions

diff --git a/src/ext/plantuml/com/ctreber/aclib/gui/MOBoolean.java b/src/ext/plantuml/com/ctreber/aclib/gui/MOBoolean.java
deleted file mode 100644
index 814b927..0000000
--- a/src/ext/plantuml/com/ctreber/aclib/gui/MOBoolean.java
+++ /dev/null
@@ -1,38 +0,0 @@
-package ext.plantuml.com.ctreber.aclib.gui;
-
-/**
- * <p></p>
- *
- * <p>&copy; 2002 Christian Treber, ct@ctreber.com</p>
- * @author Christian Treber, ct@ctreber.com
- *
- */
-public class MOBoolean extends MonitoredObject
-{
-  private boolean fBoolean;
-
-  public MOBoolean()
-  {
-  }
-
-  public MOBoolean(boolean pBoolean)
-  {
-    fBoolean = pBoolean;
-  }
-
-  public void set(boolean pValue)
-  {
-    fBoolean = pValue;
-    fireValueChanged();
-  }
-
-  public boolean get()
-  {
-    return fBoolean;
-  }
-
-  public boolean checkRange()
-  {
-    return true;
-  }
-}