misc
cppsp_standalone: fixed server->loadPage() to use thread-local instance of cppspManager
added simplehttp: HTTP server for performance testing
simplehttp: added pipelined output mode
Revert "simplehttp: added pipelined output mode"

performance did not improve. reverting.

This reverts commit cbf523b2506a86900808df71d1f41cca0a3d4db5.
cpoll micro-optimizations
cpoll: persistentStreamReader: resize() should set this->capacity to the new capacity
cpoll: added newPersistentStreamReader
simplehttp: use newPersistentStreamReader for http request parsing
cpoll: NewEPoll: (micro-optimization) don't drain newly added handles, and don't repeatedly drain successfully dispatched events
Revert "cpoll: NewEPoll: (micro-optimization) don't drain newly added handles, and don't repeatedly drain successfully dispatched events"

This reverts commit f254c6fcbd976818deeb547dba8657530aac8e55.