修改描述符，适配新版本gradle

.gitignore

@@ -3,6 +3,24 @@
 /BageView/build/
 /umeng_sharesdk_library/build/
 /JCVideo_Library/build/
+/.idea/
+
+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+/gradle/
+/gradle.properties
 
 # Built application files
 *.apk