Fixes #75.
* Fixed spelling of "Succeeded" in `check`.
* Added a flag to `check` to determine whether or not to print.
* Use sys.stdout.write to print "Adding line %d..." every 1000
waterpoints so `check` print appears on same line.
* Added before and after messages to make things doubly clear.
 #75. Even more succinct printing of upload waterpoints.
README: clarify usage of grunt serve, fixes #83
More succinct output when uploading waterpoints, fixes #75

* Fix spelling of "Succeeded" in `check`.
* Add a flag to `check` to determine whether or not to print.
* Use sys.stdout.write to print "Adding line %d..." every 1000
  waterpoints so `check` print appears on same line.
* Add before and after messages to make things doubly clear.
Even more succinct printing of upload waterpoints (#75)
Merge upload_waterpoints_75
Fixes #80. Updated Readme with instructions for the requirements folder and base, deploy, and dev requirements