make layouts consistent

This PR makes the layout of register/login/forgot password consistent. It also changes some copy and removes a well.

Remove well from Log It
![screen shot 2013-10-10 at 9 04 09 pm](https://f.cloud.github.com/assets/331004/1314208/d465945c-326d-11e3-93ad-6b8a3e134274.png)

Login
![screen shot 2013-10-11 at 8 04 36 am](https://f.cloud.github.com/assets/331004/1314209/e3582f60-326d-11e3-8f40-2879fceb6a8f.png)

Register
![screen shot 2013-10-11 at 8 04 51 am](https://f.cloud.github.com/assets/331004/1314211/ea8201f8-326d-11e3-8c6d-c3850d13f4f6.png)

Forgot password
![screen shot 2013-10-10 at 6 01 03 pm](https://f.cloud.github.com/assets/331004/1314213/f70ad08a-326d-11e3-9edc-72f6f2082a40.png)

For people instead of for patients
![screen shot 2013-10-11 at 8 04 21 am](https://f.cloud.github.com/assets/331004/1314218/26bd445c-326e-11e3-9a8b-f5a482f0334e.png)