Remove shebang lines from input generators (resolves #194)

Also remove duplicated logic to find and expose a python
interpreter (it was being set in both qtgui and quantuminput).

Change-Id: I7c661cc5a02a892886ceac4ef577b5f4e81e3a42
Merge origin/master in to resolve conflicts.

Change-Id: I9935f2b05baff0e192e0c3a5151c222330eea7ee
Merge topic 'shebang-no-more' into master

b58ed4f3 Merge origin/master in to resolve conflicts.
9de4ec3e Remove shebang lines from input generators (resolves #194)