add GIT_COMMIT to build.

delete unused task increment_build

build/Gruntfile.js

@@ -121,17 +121,10 @@ module.exports = function(grunt) {
       grunt.log.ok('Use Jenkins build number as sdk-all build number!'.yellow);
       packageFile['info']['build'] = parseInt(process.env['BUILD_NUMBER']);
       pkg.info.build = packageFile['info']['build'];
-      packageFile['info']['rev'] = process.env['SVN_REVISION'] || revision;
+      packageFile['info']['rev'] = process.env['GIT_COMMIT'] || revision;
       grunt.file.write(defaultConfig, JSON.stringify(pkg, null, 4));    
     }
-  });
-    
-    grunt.registerTask('increment_build', function() {
-		var pkg = grunt.file.readJSON(defaultConfig);
-		pkg.info.build = parseInt(pkg.info.build) + 1;
-		packageFile['info']['rev'] = process.env['SVN_REVISION'] || revision;
-		grunt.file.write(defaultConfig, JSON.stringify(pkg, null, 4));
-    });
+  });
 	
 	grunt.registerTask('compile_sdk_init', function(compilation_level) {
 		grunt.file.mkdir( packageFile['compile']['sdk']['log'] );