Added maven references

docs/docs-source/docs/modules/ROOT/pages/index.adoc

@@ -62,6 +62,9 @@ Cloudflow dramatically accelerates your application development efforts, reducin
 
 ifdef::todo[TODO: add the following back in once the commercial versions are ready. Text might need editing.]
 
+NOTE: The default build tool for Cloudflow applications is `sbt` but there is support for using xref:docs:develop:maven-support.adoc[Maven] to build as well.
+
+
 // Lightbend's commercial version of Cloudflow, https://developer.lightbend.com/docs/cloudflow/current/index.html[Akka Data Pipelines], includes support along with https://developer.lightbend.com/docs/telemetry/current/home.html[Telemetry] and https://developer.lightbend.com/docs/cloudflow/current/console/index.html[Lightbend Console], which provide visibility into your running Cloudflow apps.
 
 // You can also use https://developer.lightbend.com/docs/cloudflow/current/gcp/index.html[Akka Data Pipelines on Google Cloud Platform]. 

docs/docs-source/docs/modules/get-started/pages/setup-example-project-configure-build.adoc

@@ -4,6 +4,9 @@ include::ROOT:partial$include.adoc[]
 
 NOTE: The sources for the example described below can be found in the application called
 https://github.com/lightbend/cloudflow/tree/master/examples/snippets/modules/ROOT/examples/sensor-data-scala[sensor-data-scala].
+
+NOTE: The default build tool for Cloudflow applications is `sbt` but there is support for using xref:docs:develop:maven-support.adoc[Maven] to build as well.
+
 Full sources for all Cloudflow example applications can be found in the
 https://github.com/lightbend/cloudflow/tree/master/examples/snippets/modules/ROOT/examples[examples folder] of the
 https://github.com/lightbend/cloudflow[`cloudflow` project on Github].

docs/shared-content-source/docs/modules/administration/pages/installation-prerequisites.adoc

@@ -73,6 +73,8 @@ nfs                  cloudflow-nfs          29s
 standard (default)   kubernetes.io/gce-pd   2m57s
 ----
 
-NOTE:: The documented NFS storage class is very portable and has been verified to work on GKE, EKS, AKS and Openshift.
+NOTE: The documented NFS storage class is very portable and has been verified to work on GKE, EKS, AKS and Openshift.
 
+NOTE: The default build tool for Cloudflow applications is `sbt` but there is support for using xref:docs:develop:maven-support.adoc[Maven] to build as well. If you are going to use Maven, make sure to have it
+https://maven.apache.org/[installed] as well.
 

docs/shared-content-source/docs/modules/develop/pages/index.adoc

@@ -8,4 +8,9 @@ We start with concepts the apply across all Streamlet runtimes, such as xref:sch
 
 Then, in the xref:developing-streamlets.adoc[Developing Streamlets] section, you find detailed explanations about the development of Streamlets in each of the runtimes: xref:use-akka-streamlets.adoc[akka], xref:use-spark-streamlets.adoc[spark], and xref:use-flink-streamlets.adoc[flink]
 
-Once you have developed your first application, take it for a quick spin in your development machine, using the  xref:cloudflow-local-sandbox.adoc[local sandbox]
+Once you have developed your first application, take it for a quick spin in your development machine, using the  xref:cloudflow-local-sandbox.adoc[local sandbox]
+
+
+
+NOTE: The default build tool for Cloudflow applications is `sbt` but there is support for using xref:maven-support.adoc[Maven] to build as well.
+

docs/shared-content-source/docs/modules/develop/pages/maven-support.adoc

@@ -2,7 +2,7 @@
 
 include::ROOT:partial$include.adoc[]
 
-The default build tool for Cloudflow applications is `sbt` but there is support for Maven builds as well.
+The default build tool for Cloudflow applications is `sbt` but there is support for using Maven to build as well.
 
 In the `examples` directory you can find some reference projects compiled with Maven. Folders are marked with a `mvn-` prefix.
 

docs/shared-content-source/docs/modules/get-started/pages/prepare-development-environment.adoc

@@ -17,6 +17,8 @@ First, make sure that you have the following installed:
 * https://helm.sh/docs/intro/install/[Helm,window=_blank], {supported-helm-v}. We recommend version 3 to avoid dealing with tiller.
 * https://kubernetes.io/docs/tasks/tools/install-kubectl/[kubectl,window=_blank]
 
+NOTE: The default build tool for Cloudflow applications is `sbt` but there is support for using xref:docs:develop:maven-support.adoc[Maven] to build as well.
+
 == Download and install the Cloudflow CLI
 
 Install the Cloudflow CLI using the official installer: