Move argument shift in gremlin.sh
Move argument shift in gremlin.sh

This bit of logic has been touched in
018827a538979a93c0b1cd9b4de240e72a235f72 and again in
1b23ce606090eb7e9407e63e26bf8e4e2418ac42, with unintentional
regressions in both cases.  These options are calling out for
automated regression tests.

For #903

hortonworks/titan,qiuqiyuan/titan,xlcupid/titan,qiuqiyuan/titan,kangkot/titan,kangkot/titan,fengshao0907/titan,evanv/titan,evanv/titan,anuragkh/titan,nvoron23/titan,jankotek/titan,nvoron23/titan,fengshao0907/titan,tomersagi/titan,kalatestimine/titan,anuragkh/titan,xlcupid/titan,hortonworks/titan,jankotek/titan,elkingtonmcb/titan,xlcupid/titan,wangbf/titan,jankotek/titan,mwpnava/titan,evanv/titan,xlcupid/titan,nvoron23/titan,kangkot/titan,kalatestimine/titan,elkingtonmcb/titan,fengshao0907/titan,elkingtonmcb/titan,wangbf/titan,hortonworks/titan,qiuqiyuan/titan,wangbf/titan,hortonworks/titan,mwpnava/titan,ThiagoGarciaAlves/titan,anuragkh/titan,fengshao0907/titan,wangbf/titan,ThiagoGarciaAlves/titan,tomersagi/titan,ThiagoGarciaAlves/titan,kangkot/titan,kangkot/titan,jamestyack/titan,jankotek/titan,anuragkh/titan,ThiagoGarciaAlves/titan,qiuqiyuan/titan,hortonworks/titan,kalatestimine/titan,wangbf/titan,mwpnava/titan,ThiagoGarciaAlves/titan,tomersagi/titan,xlcupid/titan,jamestyack/titan,fengshao0907/titan,anuragkh/titan,mwpnava/titan,nvoron23/titan,kalatestimine/titan,elkingtonmcb/titan,tomersagi/titan,jankotek/titan,jamestyack/titan,evanv/titan,jamestyack/titan,elkingtonmcb/titan,qiuqiyuan/titan,jamestyack/titan,kalatestimine/titan,evanv/titan,tomersagi/titan,mwpnava/titan