Remove make_leader option from applicant from.

Applicant can not set make_leader, it had the potential of being missed
by project leader.

Change-Id: I87dde3e760982e6e0fb38d6d52e4b58e3e2e6b15
Don't set make_leader to False for new projects.

There is no need to change this value.

Change-Id: I88d654ecb26ebb90b416becdc014838785b437bc
Display if this application has make_leader set.

Change-Id: I1a847c1d2b5fd35d782e587375dd78e542fff18c