Revert "Update client.rb"

This reverts commit 0f46ef00a7a198f02adb1e5750e57a2d72c84f12.
Clarify that the docusign_task.rb command in the README needs to be run under the bundled environment.
Refactored 'create_envelope_from_template' to use ruby hashes/arrays and to_json.
Refactored 'get_recipient_view' to use ruby hashes/arrays and to_json.
Refactored 'create_envelope_from_document' and 'create_template' to use ruby hashes/arrays and to_json.
Add support for date signed tabs

Conflicts:
	lib/docusign_rest/client.rb
Test for the date signed tab
making anchor optional for signature tab

Conflicts:
	lib/docusign_rest/client.rb
Configured Guard-Minitest for automatically running test suite on change
refined guard configuration; added puts in test setup for 'embedded signing' to display API errors; updated readme for with guard info

Conflicts:
	Guardfile
added support for signer specific tab data for creating envelopes from templates

Conflicts:
	lib/docusign_rest/client.rb
Added example to readme.md demonstrating how to use custom tab data when creating an envelope from a template