Adapt t0010 to output from ipfs2

The ouput from "ipfs help" changed in ipfs2.
With the change in this commit, this output change doesn't
prevent the test to pass.

Test t0010 now passes on my Linux machine.

License: MIT
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>

test/t0010-basic-commands.sh

@@ -25,7 +25,8 @@ test_expect_success "ipfs help succeeds" '
 '
 
 test_expect_success "ipfs help output looks good" '
-	cat help.txt | egrep "^Usage: +ipfs"
+	cat help.txt | egrep -i "^Usage:" &&
+	cat help.txt | egrep "ipfs .* <command>"
 '
 
 test_done