update README
修改LogUtils的tag格式为customTagPrefix:className.methodName(L:ineNumber)
⊙﹏⊙b
LogUtils 添加CustomLogger，方便自定义保存日志。
代码整理
update jar
减小默认bitmap最大宽高为屏幕宽度的1/3
update jar
修改一处错误提示
优化bitmap模块默认参数
update sample
update jar
修复几个不正确的重载
update jar
调整DbUtils几个批量方法的参数类型
update jar
List<Object> can't subtype to List<String>
Merge remote-tracking branch 'origin/master'
Merge remote-tracking branch 'remotes/wyouflf/master'

Conflicts:
	library/src/com/lidroid/xutils/DbUtils.java
	library/src/com/lidroid/xutils/util/LogUtils.java
Merge remote-tracking branch 'remotes/wyouflf/master'

Conflicts:
	library/src/com/lidroid/xutils/DbUtils.java
	library/src/com/lidroid/xutils/util/LogUtils.java