vertical multiple code
refactor the way url is parsed and datatable called
code refactoring and simplification
some more code refactoring for filtered facet search
removed unwanted function
refactor code for search interface
Merge branch 'master' of https://github.com/mpi2/PhenotypeArchive into facet_filter_vertical_multiple
Merge branch 'master' of https://github.com/mpi2/PhenotypeArchive into facet_filter_vertical_multiple
Merge branch 'master' of https://github.com/mpi2/PhenotypeArchive into facet_filter_vertical_multiple
test