[Enhancement] Advanced Settings

Adding another settings page containing advanced options that users might want. The idea of it is so the main settings page isn't clustered with heaps of tiny options.

Ok so the main settings page hasn't really changed at all, I just added 2 buttons, one for the Timers and another for the Advanced Settings.
![image](https://cloud.githubusercontent.com/assets/6258213/3268086/9aec48ee-f2d7-11e3-934a-bce92468f2fa.png)

The advanced settings page is identical to the settings page.
![image](https://cloud.githubusercontent.com/assets/6258213/3268097/c4fc32ca-f2d7-11e3-9bd4-d0a7969755ca.png)
Changes that I have made include moving some of the more advanced torrent settings and adding a new torrent setting and adding in the background opacity control.

Also added a check to see if Torrent Functionality was enabled.
![image](https://cloud.githubusercontent.com/assets/6258213/3268120/259c4192-f2d8-11e3-9300-c4d4d9baa601.png)

[Suggestion] the alert-info might better suit the average user if it read something like: Selecting a button below will set the background image transparency to the chosen percentage.