Ignore ns_server.plt
Ignore ns_server.plt

Also sorted .gitignore to reduce the potential for conflicts. Please
keep it sorted!

Change-Id: Iba641036c1cf936d76daf5c142ff82cba0d356f8
Reviewed-on: http://review.northscale.com/1431
Tested-by: Aliaksey Kandratsenka <340b8e09ca65cd3fc686427fcfed17e87eaf61e2@gmail.com>
Reviewed-by: Aliaksey Kandratsenka <340b8e09ca65cd3fc686427fcfed17e87eaf61e2@gmail.com>

membase/ns_server,daverigby/ns_server,ingenthr/ns_server,t3rm1n4l/ns_server,mschoch/ns_server,mschoch/ns_server,vzasade/ns_server,ingenthr/ns_server,daverigby/ns_server,mschoch/ns_server,nimishzynga/ns_server,ceejatec/ns_server,membase/ns_server,nimishzynga/ns_server,ceejatec/ns_server,daverigby/ns_server,t3rm1n4l/ns_server,t3rm1n4l/ns_server,pavel-blagodov/ns_server,daverigby/ns_server,nimishzynga/ns_server,membase/ns_server,ingenthr/ns_server,pavel-blagodov/ns_server,mschoch/ns_server,pavel-blagodov/ns_server,membase/ns_server,mschoch/ns_server,pavel-blagodov/ns_server,t3rm1n4l/ns_server,membase/ns_server,membase/ns_server,vzasade/ns_server,vzasade/ns_server,ceejatec/ns_server,vzasade/ns_server,ceejatec/ns_server,ceejatec/ns_server,mschoch/ns_server,nimishzynga/ns_server,nimishzynga/ns_server,t3rm1n4l/ns_server,daverigby/ns_server,ingenthr/ns_server,ceejatec/ns_server,nimishzynga/ns_server