fix png name

Author: hugeterry

app/src/main/java/cn/hugeterry/coderfun/model/db/CoderfunDB.java renamed to app/src/main/java/cn/hugeterry/coderfun/model/db/CoderfunDb.java

@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.2.3'
+        classpath 'com.android.tools.build:gradle:2.3.3'
 
         classpath 'com.neenbedankt.gradle.plugins:android-apt:1.8'
         // NOTE: Do not place your application dependencies here; they belong

app/src/main/res/mipmap-hdpi/iOS_icon.png renamed to app/src/main/res/mipmap-hdpi/ios_icon.png

@@ -1,6 +1,6 @@
-#Thu Oct 06 22:23:50 CST 2016
+#Sat Jun 17 13:52:51 CST 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip