Added content types for .pro and .qml files for Qt.

qt/org.eclipse.cdt.qt.core/META-INF/MANIFEST.MF

@@ -9,3 +9,4 @@ Require-Bundle: org.eclipse.core.runtime,
  org.eclipse.cdt.core
 Bundle-RequiredExecutionEnvironment: JavaSE-1.6
 Bundle-ActivationPolicy: lazy
+Bundle-Localization: plugin

qt/org.eclipse.cdt.qt.core/plugin.properties

@@ -0,0 +1,2 @@
+qtProjectFile.name = Qt Project File
+qmlFile.name = QML File

qt/org.eclipse.cdt.qt.core/plugin.xml

@@ -24,4 +24,21 @@
          </toolChain>
       </template>
    </extension>
+   <extension
+         point="org.eclipse.core.contenttype.contentTypes">
+      <content-type
+            base-type="org.eclipse.core.runtime.text"
+            file-extensions="pro"
+            id="qtProjectFile"
+            name="%qtProjectFile.name"
+            priority="normal">
+      </content-type>
+      <content-type
+            base-type="org.eclipse.core.runtime.text"
+            file-extensions="qml"
+            id="qmlFile"
+            name="%qmlFile.name"
+            priority="normal">
+      </content-type>
+   </extension>
 </plugin>