Remove the usr/ directory in addition to its contents

Signed-off-by: Timothy Gu <timothygu99@gmail.com>
libdvbpsi: Better fix for lack of asprintf()

Signed-off-by: Timothy Gu <timothygu99@gmail.com>
openblas: update

Closes #408.

Signed-off-by: Timothy Gu <timothygu99@gmail.com>
libdca: enable shared build

Signed-off-by: Timothy Gu <timothygu99@gmail.com>
lua: enable shared

Signed-off-by: Timothy Gu <timothygu99@gmail.com>
Merge commit '8e1be0a98218868f0aafa04763add2a58de52c68' into my

* commit '8e1be0a98218868f0aafa04763add2a58de52c68':
  lua: enable shared
  libdca: enable shared build
  openblas: update
  libdvbpsi: Better fix for lack of asprintf()
  Remove the usr/ directory in addition to its contents