Move cordova.gradle from project template to CordovaLib

Make it easier to share with tests project.
Also, one less file in the project template is a good thing.

bin/lib/create.js

@@ -72,6 +72,7 @@ function copyJsAndLibrary(projectPath, shared, projectName) {
         shell.cp('-f', path.join(ROOT, 'framework', 'AndroidManifest.xml'), nestedCordovaLibPath);
         shell.cp('-f', path.join(ROOT, 'framework', 'project.properties'), nestedCordovaLibPath);
         shell.cp('-f', path.join(ROOT, 'framework', 'build.gradle'), nestedCordovaLibPath);
+        shell.cp('-f', path.join(ROOT, 'framework', 'cordova.gradle'), nestedCordovaLibPath);
         shell.cp('-r', path.join(ROOT, 'framework', 'src'), nestedCordovaLibPath);
         // Create an eclipse project file and set the name of it to something unique.
         // Without this, you can't import multiple CordovaLib projects into the same workspace.
@@ -122,7 +123,6 @@ function copyBuildRules(projectPath) {
     shell.cp('-f', path.join(srcDir, 'custom_rules.xml'), projectPath);
 
     shell.cp('-f', path.join(srcDir, 'build.gradle'), projectPath);
-    shell.cp('-f', path.join(srcDir, 'cordova.gradle'), projectPath);
 }
 
 function copyScripts(projectPath) {

bin/templates/project/build.gradle

@@ -57,7 +57,7 @@ task wrapper(type: Wrapper) {
 // Configuration properties. Set these via environment variables, build-extras.gradle, or gradle.properties.
 // Refer to: http://www.gradle.org/docs/current/userguide/tutorial_this_and_that.html
 ext {
-    apply from: 'cordova.gradle'
+    apply from: 'CordovaLib/cordova.gradle'
     // The value for android.compileSdkVersion.
     if (!project.hasProperty('cdvCompileSdkVersion')) {
         cdvCompileSdkVersion = privateHelpers.getProjectTarget('android-19')