fix build exception

Author: ThirtyDegreesRay

dataautoaccess-annotations/build.gradle

@@ -8,8 +8,8 @@ dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
 }
 
-targetCompatibility = '1.7'
-sourceCompatibility = '1.7'
+targetCompatibility = '1.6'
+sourceCompatibility = '1.6'
 
 def siteUrl = 'https://github.com/ThirtyDegreesRay/DataAutoAccess'   // 项目的主页
 def gitUrl = 'https://github.com/ThirtyDegreesRay/DataAutoAccess.git'   // Git仓库的url

dataautoaccess-compiler/build.gradle

@@ -10,8 +10,8 @@ dependencies {
     compile project(':dataautoaccess-annotations')
 }
 
-targetCompatibility = '1.7'
-sourceCompatibility = '1.7'
+targetCompatibility = '1.6'
+sourceCompatibility = '1.6'
 
 def siteUrl = 'https://github.com/ThirtyDegreesRay/DataAutoAccess'   // 项目的主页
 def gitUrl = 'https://github.com/ThirtyDegreesRay/DataAutoAccess.git'   // Git仓库的url

gradle.properties

@@ -17,6 +17,6 @@ org.gradle.jvmargs=-Xmx1536m
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
 # org.gradle.parallel=true
 
-VERSION_NAME = 1.2.7
-VERSION_CODE = 17
+VERSION_NAME = 1.2.8
+VERSION_CODE = 18