Merge branch 0.9.4 into master. (apache#449)

Merge branch 0.9.4 into master. (apache#449)

Merge pull request apache#292 from peacewong/master

to remove the useless dependencies and modify the suffix of the shell script to .sh

Merge pull request apache#231 from peacewong/master

Modify the SQL comment standardization problem and exclude the CDH version Jasper package

Merge pull request apache#163 from yangzhiyue/master

close apache#162, I contributed the bml-engine-hook

Merge pull request apache#58 from chaogefeng/master

Added JDBC engine support and updated JDBC installation scripts

Fix the NullPointerException caused by the resultSet is path

update install.sh

delete useless code in SparkEngineExecutor

update install.sh to solve jar conflicts