adding bit about filtering system properties

git-svn-id: https://svn.apache.org/repos/asf/maven/components/trunk@312960 13f79535-47bb-0310-9956-ffa450edef68

maven-site/ideas.txt

@@ -21,62 +21,15 @@ the <project> element. So:
 
 - testing a plugin
 
-+----+
+- How to get started behind an NTLM proxy.
 
-<project>
-  ...
-  <properties>
-    <name>value</name>
-  </properties>
-</project>
+- How snapshots works
 
-+----+
-
-==
-
-How do I get the list of artifacts within my plugin?
-
-You must use the @requiresDependencyResolution tag in your plugin.
-
-==
-
-How to best setup a multi-module build and make versions easiest to manage
-
-
-==
-
-Integrate Jesse's archetype work.
-
-And how do I make archetypes for use in my organization?
-
-==
-
-
-==
-
-How to get started behind an NTLM proxy.
-
-use the fat http client and add it as an extension to the POM. Do we
-support ntmlv2:
-
-http://www.mail-archive.com/httpclient-dev@jakarta.apache.org/msg01861.html
-
-How to use Ant constructs from m2.
-
-How artifact resolution works, this would be a long one more advanced in
-scope.
-
-==
-
-How snapshots works
-
-==
-
-How do i use the lifecycle provided by a plugin:
+- How do i use the lifecycle provided by a plugin:
 
 make sure you turn on the extension option
 
-         <packaging>nbm</packaging>, <build><plugins><plugin><groupId/><artifactId/><extensions>true</extensions></plugin></plugins></build>
+<packaging>nbm</packaging>, <build><plugins><plugin><groupId/><artifactId/><extensions>true</extensions></plugin></plugins></build>
 
 ==
 

maven-site/src/site/apt/guides/getting-started/index.apt

@@ -650,6 +650,23 @@ environment=${environment}
 
 +----+
 
+* How do I filter against system properties
+
+ You simply specify the system property using the standard variable notion as show below:
+
++----+
+
+# application.properties
+
+application.name=${pom.name}
+application.version=${pom.version}
+
+environment=${environment}
+
+java.version=${java.version}
+
++----+
+
 * {How do I use external dependencies?}
 
  You probably already noticed a <<<dependencies>>> element in the POM we've been using as an example

maven-site/src/site/apt/guides/mini/guide-multi-module-build.txt

@@ -0,0 +1,10 @@
+ ------
+ Guide to creating a multi-module build
+ ------
+ Jason van Zyl
+ ------
+ 12 October 2005
+ ------
+
+Guide to creating a multi-module build
+

maven-site/src/site/apt/guides/mini/guide-pom-properties.apt

@@ -0,0 +1,20 @@
+ ------
+ Guide to using POM properties
+ ------
+ Jason van Zyl
+ ------
+ 12 October 2005
+ ------
+
+Guide to using POM properties
+
++----+
+
+<project>
+  ...
+  <properties>
+    <name>value</name>
+  </properties>
+</project>
+
++----+