Merge pull request #374 from gdamjan/master

remount to private subtree after unshare
prepare for advanced hooks
first public implementation of the advanced hook subsystem
added callint/callret hooks
added log encoders
added msgpack plugin, it misses int and float support
improved float/double support
added date/time support to msgpack encoder
added response routes
fixed msgpack on 32bit
hardcode support for MS_REC
support for platform non defining MS_PRIVATE
improved mount/unmount support in freebsd
improved gevent waiting for greenlets
fixed #376
link with -lrt on solaris
report thunder lock status
Merge branch 'master' of github.com:unbit/uwsgi
added nl and format log encoders
added json log encoder