Added support to limit module execution to a specific range of repository versions.

e.g. the PHP SDK module has the following:
   module.repo.version.min=2.0
   module.repo.version.max=2.1
This limits it to being installed on 2.0 or 2.1 versions of Alfresco.
Roy can change this, if required.


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@5532 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/service/cmr/module/ModuleInstallState.java

@@ -25,13 +25,18 @@
 package org.alfresco.service.cmr.module;
 
 /**
- * Enum used to indicate the install state of a module
+ * Enum used to indicate the install state of a module.
  * 
  * @author Roy Wetherall
  */
 public enum ModuleInstallState
 {
-    INSTALLED,      // indicates that a module is installed
-    DISABLED,       // indicates that a module is installed but it functionality is disabled
-    UNINSTALLED     // indicates that a module is uninstalled
+    /** The state of the module is unknown */
+    UKNOWN,
+    /** The module is installed */
+    INSTALLED,
+    /** The module is disabled */
+    DISABLED,
+    /** The module has been uninstalled */
+    UNINSTALLED;
 }