Adding enforceArray method
Merge branch 'master' into smart-arrays

Conflicts:
	jspsych.js
delete files - from master merge
handle multiple parameters with single call of enforce array
allow for text and data to be non-arrays for single trial block

issue #24
Merge pull request #47 from jodeleeuw/smart-arrays

Smart arrays
Update README.md
add class information to display element

related to issue #45
add jsPsych.totalTime method

gets the total time in ms since the experiment started.
Add core.submitToTurk

* add function to core
* modify turkInfo to also grab turkSubmitTo location (either sandbox or production)
typo fix in core.submitToTurk
update data saving to block.writeData
added drafts of SF new plugins
changes to README to highlight changes in fork
Make list- plugins data saving standard