Merge pull request #15 from denchistyakov/master

Typofix in Vow deferred.fulfill
verbump
UrlFetch service
client: add urlfetch sample and comments to stub
Merge branch 'urlfetch'
housekeeping: add usefull traces; up jampack version
channel/c: move watchers from readable/writable streams to channel
  fixes bug when writing backpressure causes write watcher to be
  added, thus violating libuv requirement that there should be no more
  than one uv_poll_t per watched file descriptor
bump version
Fix building under MacOS X
fix build on linux
Merge branch 'fix_macosx_build'
bump version
undebug
client/methods: give detailed message on service method call
version bump
client: getServices can return logger as service 'logging'
verbump
index: add spawnedBy method
base_service: catch channel_binding construction exceptions
client: use localhost instead of 127.0.0.1