ASTERIXDB-1105 - LICENSE per submodule

This is a good part of what we need to have a specific set of
dependencies per binary assembly. The main key here is using the
maven remote resources plugin, and supplemental resources to
fill in info from the POM of dependencies where it is lacking.
For things that aren't described in Maven dependencies,
like Javascript files, they are added as LICENSE fragments
that get included in binary assemblies.

Change-Id: I2a6c4fb809b6fcad578007b8f48bf8bce179cd83
Reviewed-on: https://asterix-gerrit.ics.uci.edu/520
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Ian Maxon <imaxon@apache.org>
diff --git a/hyracks/hyracks-examples/text-example/pom.xml b/hyracks/hyracks-examples/text-example/pom.xml
index b24c74b..a389e26 100644
--- a/hyracks/hyracks-examples/text-example/pom.xml
+++ b/hyracks/hyracks-examples/text-example/pom.xml
@@ -29,6 +29,10 @@
     <version>0.2.17-SNAPSHOT</version>
   </parent>
 
+  <properties>
+      <root.dir>${basedir}/../../..</root.dir>
+  </properties>
+
   <modules>
     <module>texthelper</module>
     <module>textclient</module>
diff --git a/hyracks/hyracks-examples/text-example/textclient/pom.xml b/hyracks/hyracks-examples/text-example/textclient/pom.xml
index 4304414..cb831e9 100644
--- a/hyracks/hyracks-examples/text-example/textclient/pom.xml
+++ b/hyracks/hyracks-examples/text-example/textclient/pom.xml
@@ -28,6 +28,10 @@
     <version>0.2.17-SNAPSHOT</version>
   </parent>
 
+  <properties>
+      <root.dir>${basedir}/../../../..</root.dir>
+  </properties>
+
   <dependencies>
   	<dependency>
   		<groupId>org.apache.hyracks</groupId>
diff --git a/hyracks/hyracks-examples/text-example/texthelper/pom.xml b/hyracks/hyracks-examples/text-example/texthelper/pom.xml
index 6101f67..8bc557e 100644
--- a/hyracks/hyracks-examples/text-example/texthelper/pom.xml
+++ b/hyracks/hyracks-examples/text-example/texthelper/pom.xml
@@ -28,6 +28,10 @@
     <version>0.2.17-SNAPSHOT</version>
   </parent>
 
+  <properties>
+      <root.dir>${basedir}/../../../..</root.dir>
+  </properties>
+
   <dependencies>
   	<dependency>
   		<groupId>org.apache.hyracks</groupId>
diff --git a/hyracks/hyracks-examples/text-example/textserver/pom.xml b/hyracks/hyracks-examples/text-example/textserver/pom.xml
index f116638..bca0839 100644
--- a/hyracks/hyracks-examples/text-example/textserver/pom.xml
+++ b/hyracks/hyracks-examples/text-example/textserver/pom.xml
@@ -29,6 +29,10 @@
     <version>0.2.17-SNAPSHOT</version>
   </parent>
 
+  <properties>
+      <root.dir>${basedir}/../../../..</root.dir>
+  </properties>
+
   <build>
     <plugins>
       <plugin>