IDEMPIERE-3354:refine feature group

org.idempiere.customize should only dependency by server feature, so don't disturb other product
it also should option, just import when exsits

org.adempiere.base-feature/feature.xml

@@ -36,10 +36,6 @@
          id="org.adempiere.report.jasper"
          version="0.0.0"/>
 
-   <includes
-         id="org.idempiere.customize"
-         version="0.0.0"/>
-
    <plugin
          id="org.adempiere.base"
          download-size="0"

org.adempiere.server-feature/feature.xml

@@ -54,6 +54,11 @@
          id="org.idempiere.zk"
          version="0.0.0"/>
 
+   <includes
+         id="org.idempiere.customize"
+         version="0.0.0"
+         optional="true"/>
+
    <plugin
          id="org.apache.taglibs.taglibs-standard-spec"
          download-size="0"

org.idempiere.customize-feature/.project

@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<projectDescription>
-	<name>org.idempiere.customize-feature</name>
-	<comment></comment>
-	<projects>
-	</projects>
-	<buildSpec>
-		<buildCommand>
-			<name>org.eclipse.pde.FeatureBuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-	</buildSpec>
-	<natures>
-		<nature>org.eclipse.pde.FeatureNature</nature>
-	</natures>
-</projectDescription>

org.idempiere.customize-feature/build.properties

@@ -1 +0,0 @@
-bin.includes = feature.xml

org.idempiere.customize-feature/feature.xml

@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<feature
-      id="org.idempiere.customize"
-      label="org.idempiere.customize-feature"
-      version="4.1.0.qualifier">
-
-   <description url="http://www.example.com/description">
-      [Enter Feature Description here.]
-   </description>
-
-   <copyright url="http://www.example.com/copyright">
-      [Enter Copyright Description here.]
-   </copyright>
-
-   <license url="http://www.example.com/license">
-      [Enter License Description here.]
-   </license>
-
-</feature>