Merge pull request #169 from larrychen8276/master

dataSource add validationQuery attribute
Merge pull request #20 from cnnic/master

merge from cnnic
fix bug
Merge pull request #171 from forumbyr/master

fix bug
update limit
Merge pull request #172 from forumbyr/master

update limit
add solr
Merge pull request #173 from forumbyr/master

add solr
Merge pull request #5 from cnnic/master

merge