related to issue #17; changed methods http responses and output based on 'Content-Type' header
Merge branch 'develop' of https://github.com/ers-devs/ers into feature/global-server-sync
add build ers-global to .travis.yml
Update .travis.yml
create _design/index if necessary
add another feature - bulkrun; it accepts an input file with inserts, deletions and updates and run it as a batch
Merge branch 'develop' of https://github.com/ers-devs/ers into global_server
bug fixes related to issue #17; responses for query methods fixed;
bug fixes; delete entries from ERS_graphs when a keyspace is deleted and do not use anymore the ERS_authors;
bug fix; when querying entire graph or entire dataset, remove the limit of 10 columns per row; now it is max_integer;
Merge branch 'develop' of https://github.com/ers-devs/ers into feature/global-server-sync
bug fix related to issue #17; add the http response headers for delete operation;
Merge branch 'develop' of https://github.com/ers-devs/ers into feature/global-server-sync
Handle new response format