Updated Sphinx target definitions wrt changes Nebula update site URL
diff --git a/tools/org.eclipse.sphinx.targets/mars/mars.target b/tools/org.eclipse.sphinx.targets/mars/mars.target
index 4737770..0e4b765 100644
--- a/tools/org.eclipse.sphinx.targets/mars/mars.target
+++ b/tools/org.eclipse.sphinx.targets/mars/mars.target
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>

-<?pde version="3.8"?><target name="Sphinx Neon Target" sequenceNumber="25">

+<?pde version="3.8"?><target name="Sphinx Neon Target" sequenceNumber="26">

 <locations>

 <location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">

 <unit id="org.eclipse.equinox.executable.feature.group" version="3.6.200.v20150602-1417"/>

@@ -14,7 +14,7 @@
 <location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">

 <unit id="org.eclipse.nebula.examples.release.feature.feature.group" version="0.0.0"/>

 <unit id="org.eclipse.nebula.feature.feature.group" version="0.0.0"/>

-<repository location="http://download.eclipse.org/technology/nebula/snapshot"/>

+<repository location="http://download.eclipse.org/nebula/releases/latest"/>

 </location>

 <location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">

 <unit id="com.google.guava" version="21.0.0.v20170206-1425"/>

diff --git a/tools/org.eclipse.sphinx.targets/neon/neon.target b/tools/org.eclipse.sphinx.targets/neon/neon.target
index dc2aef5..97d786e 100644
--- a/tools/org.eclipse.sphinx.targets/neon/neon.target
+++ b/tools/org.eclipse.sphinx.targets/neon/neon.target
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>

-<?pde version="3.8"?><target name="Sphinx Neon Target" sequenceNumber="24">

+<?pde version="3.8"?><target name="Sphinx Neon Target" sequenceNumber="25">

 <locations>

 <location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">

 <unit id="org.eclipse.equinox.executable.feature.group" version="3.6.300.v20161122-1740"/>

@@ -14,7 +14,7 @@
 <location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">

 <unit id="org.eclipse.nebula.examples.release.feature.feature.group" version="0.0.0"/>

 <unit id="org.eclipse.nebula.feature.feature.group" version="0.0.0"/>

-<repository location="http://download.eclipse.org/technology/nebula/snapshot"/>

+<repository location="http://download.eclipse.org/nebula/releases/latest"/>

 </location>

 <location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">

 <unit id="com.google.guava" version="21.0.0.v20170206-1425"/>

diff --git a/tools/org.eclipse.sphinx.targets/oxygen/oxygen.target b/tools/org.eclipse.sphinx.targets/oxygen/oxygen.target
index 6002488..55a97ab 100644
--- a/tools/org.eclipse.sphinx.targets/oxygen/oxygen.target
+++ b/tools/org.eclipse.sphinx.targets/oxygen/oxygen.target
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>

-<?pde version="3.8"?><target name="Sphinx Oxygen Target" sequenceNumber="45">

+<?pde version="3.8"?><target name="Sphinx Oxygen Target" sequenceNumber="48">

 <locations>

 <location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">

 <unit id="org.eclipse.equinox.executable.feature.group" version="3.7.1.v20170928-1359"/>

@@ -14,7 +14,7 @@
 <location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">

 <unit id="org.eclipse.nebula.examples.release.feature.feature.group" version="0.0.0"/>

 <unit id="org.eclipse.nebula.feature.feature.group" version="0.0.0"/>

-<repository location="http://download.eclipse.org/technology/nebula/snapshot"/>

+<repository location="http://download.eclipse.org/nebula/releases/latest"/>

 </location>

 <location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">

 <unit id="com.google.guava" version="21.0.0.v20170206-1425"/>