close #16 rake guard && rake jasmine add into project
create base DSL for query
add bool query close #17
close #18 add boosting query
close #19 add custom_boost_factor && custom_score queries
close #20 add constant_score query
close #21 add dis_max query
close #22 add filtered-query
close #23 add has_child && has_parent queries
close #24 add span queries
close #25 add top-children-query
close #26 add nested query
close #28 add indices-query