Strip HTML from post titles and clean out some bad feeds

- strips HTML from post titles so that this:

![image](https://f.cloud.github.com/assets/357481/165334/1b28007a-793a-11e2-85b8-029ce3121dfc.png)

becomes this:

![image](https://f.cloud.github.com/assets/357481/165336/35d4e866-793a-11e2-8dc4-04546254c117.png)

- removes 2 feeds that were causing errors (for different reasons)

- adds a little logging to the error handler to help track down troublesome feeds

- `node test.js all` passes!