Add a filter to TimberImage::get_src so people can do awesome like jarednova/timber#216.
Merge branch 'patch-2' of github.com:slimndap/timber into slimndap-patch-2

* 'patch-2' of github.com:slimndap/timber:
  Add a filter to TimberImage::get_src so people can do awesome like jarednova/timber#216.
Made adjustments to filter name to match convention of other filters
Merge branch 'slimndap-patch-2'

* slimndap-patch-2:
  Made adjustments to filter name to match convention of other filters
  Add a filter to TimberImage::get_src so people can do awesome like jarednova/timber#216.