v3.0.1: Upgrade to tokio 0.3 series (#56)

Minor update to move all libraries to the Tokio 0.3 release
train. This also has the side-effect of improving the multi-threaded
scheduler performance in a pathological single stream case by 45%.

v3.0.0

Initial release of the re-implementation in Rust.

At this juncture, any resemblance to the original code base is in spirit only.

lyft/1.7.6

lyft/1.7.6

Changes:

• buffer: improve 'buffer_consume_until': #32
• hashmap: lazily allocate keys: #33
• hashmap: compare length : #34
• validate: don't modify input and remove alloc: #35
• log: convert log functions to macros: #36

lyft/1.7.5

Bump version

bug fix around tcpsession free

• fixes a bug with memory corruption caused by double free
• tweaks to logging calls

Close TCP sessions on hotrestart

• adds a new vector library
• tracks all the session sockets in tcpserver
• shutsdown and close the sockets cleanly upon hot restart

Hot-restarts

Hot restarts is now supported feature in statsrelay. Refer to README

Hot-restarts

Hot restarts is now supported feature in statsrelay. Refer to README

Fix ev_timer issues

• reduce ev_timer interval
• also prevent reuse of buffer (causing bugs)
• add some logging

Fix memory corruption issue in loading config

Merge pull request #7 from lyft/config_parsing_issues

Attempt to fix memory corruption issue