adding detectOutsideBlock (default = true) flag. By setting it to false ...

...wiredep will look only at dependencies within the block and ignore contents of the file. As a result all dependencies will be injected into block.

resolves taptapship/wiredep#108

let me know what you think, this is just a preliminary checkin, will add unit tests and then we can megre
i'm not clear what is this and previous lines are supposed to do, can you put some light here?