Update README.md
Number of generated packets is 256 per thread
Update README.md
Fix minor working in README and add -O2 for compilng.
Typo fix.
Merge pull request #2 from ken-tilera/ken-2

Minor code changes
Bug introduced in sent count and sleep times now in usec.
Corrected space replacement
Adding some new options for sending
Merge branch 'master' into http_gen

Conflicts:
	app.c