test: hack around travis being slow

this is a hack around travis key-gen being really slow.
One option would be to add the --key-bits option to daemon
as well. Another option would be to find a better way to
wait for the output, rather than waiting n seconds.

cc @chriscool thoughts?

test/lib/test-lib.sh

@@ -39,7 +39,7 @@ test_cmp_repeat_10_sec() {
 	test_cmp "$1" "$2"
 }
 
-test_wait_output_n_lines_20_sec() {
+test_wait_output_n_lines_60_sec() {
 	echo "$2" >expected_waitn
 	for i in 1 2 3 4 5 6 7 8 9 10
 	do

test/t0060-daemon.sh

@@ -17,7 +17,7 @@ test_expect_success "ipfs daemon --init launches" '
 # output. but we can't yet compare it because we dont have the peer ID (config)
 test_expect_success "initialization ended" '
   IPFS_PID=$! &&
-  test_wait_output_n_lines_20_sec actual_init 6
+  test_wait_output_n_lines_60_sec actual_init 6
 '
 
 # this is lifted straight from t0020-init.sh