[pom] Use transaction api 1.2 (jboss for java 6 support)
[pom] Use transaction api 1.2 (jboss for java 6 support)

wuwen5/mybatis-3,raupachz/mybatis-3,fromm0/mybatis-3,hazendaz/mybatis-3,zhangwei5095/mybatis3-annotaion,harawata/mybatis-3,lknny/mybatis-3,mybatis/mybatis-3,harawata/mybatis-3,fromm0/mybatis-3,nyer/mybatis-3,langlan/mybatis-3,nyer/mybatis-3