pretty records

Fixes issue #1489
Added [e] buttons to edit the strings of the medical records in the medical computer.
The medical records should look prettier and easier to read in the medical computer.
Fixed a bug where you couldn't edit the DNA string of the medical records on the medical computer.
![change](https://cloud.githubusercontent.com/assets/701959/3786814/5a11f504-19e6-11e4-840e-730989d72b3a.png)