don't terminate in presence of invalid views

Steps to reproduce python buildscripts/resmoke.py --executor=jstestfuzz_replication repro.js repro.js var viewsDB = db.getSiblingDB( 'views_stats' ); assert.writeOK(viewsDB.system.views.insert({z: '\0\uFFFFf' }));   // Wait for the invalid view definition to be replicated to the secondary and then drop the // database. assert.writeOK(db.await_repl.insert({}, {writeConcern: {w: 2}})); viewsDB.dropDatabase();