Psycholinguistics Dashboard iteration 2



In this iteration:
Code:
* more tests and functionality converted from backbone models to the common js models for Import (and everything Import depends on)

UI:
* Potential post login menus 
* Customized dashboard from default FieldDB to psycholinguistics experiment dashboard
![screen shot 2014-08-01 at 11 20 53 am](https://cloud.githubusercontent.com/assets/196199/3780807/bdd84a72-198f-11e4-92c0-b94aa6cbedaa.png)
* Import participants preview
 * select multiple csv files
![screen shot 2014-08-01 at 11 21 03 am](https://cloud.githubusercontent.com/assets/196199/3780815/c7d0f902-198f-11e4-8fd5-5cf171efa804.png)
 * drag and drop multiple csv files
![screen shot 2014-08-01 at 11 24 37 am](https://cloud.githubusercontent.com/assets/196199/3780852/1a21c11e-1990-11e4-8130-a323295b6564.png)
 * parse csv files, display as a table
![screen shot 2014-08-01 at 11 26 36 am](https://cloud.githubusercontent.com/assets/196199/3780871/481b3a82-1990-11e4-8b6f-01fa5478ae11.png)
 * automatically detect the column headings 
![screen shot 2014-08-01 at 11 27 59 am](https://cloud.githubusercontent.com/assets/196199/3780889/76c4b3ea-1990-11e4-8603-d2183ec51dc0.png)
 * drag and drop column headings to associate with expect values
![screen shot 2014-08-01 at 11 21 26 am](https://cloud.githubusercontent.com/assets/196199/3780893/7ddae302-1990-11e4-9eaf-5dcf09d014eb.png)
 * if the user uses a template, then the column headings are automatically associated correctly and yet retain the label which the user already understands in their own Excel files
![screen shot 2014-08-01 at 11 40 55 am](https://cloud.githubusercontent.com/assets/196199/3781077/4c2029b0-1992-11e4-9abe-bee987f3fa00.png)
![screen shot 2014-08-01 at 11 42 05 am](https://cloud.githubusercontent.com/assets/196199/3781088/725bc256-1992-11e4-827f-c4dd9f35b729.png)
 * creation of objects from the table
![screen shot 2014-08-01 at 11 30 38 am](https://cloud.githubusercontent.com/assets/196199/3780938/d72b6fb2-1990-11e4-8584-eb92b89a0bea.png)