Fix display of missing ID notice

Currently, when the missing ID notice is displayed at the bottom of the screen it looks like this:

![image](https://cloud.githubusercontent.com/assets/8218578/3841868/f7a0a5e6-1e31-11e4-8f01-2af8ac849b94.png)

These changes restore the `(!)` icon and trim three repeated words so that it looks like this:

![image](https://cloud.githubusercontent.com/assets/8218578/3841876/17321b60-1e32-11e4-9ec5-12b60d1965c8.png)

And these changes also fix a bug where it was possible to click the 'Add me as a recipient' link when the notice was hidden:

![image](https://cloud.githubusercontent.com/assets/8218578/3841882/2d2f5720-1e32-11e4-9f35-b91177d80449.png)