Squashed 'evfibers/' changes from 48d1bc3..fbd1dcb

fbd1dcb Added sample http server example
833ca09 changelog
8ebc62d Fixed linking with embedded libeio
4517693 Bumped travis test timeout modifier a little bit more
c8891f6 Fixed google analytics id
cdd56dc changelog
7310fb1 Fixed compiler warning
9debe0b Fixed licensing in bench/*
624de8b Improved fbr_ev_wait_one performance by ~3%
0c45a77 Update README.md
8faf5e2 Changing license to Apache License, Version 2.0
9d1d321 Removed old async worker proto file
4cd12b1 Added missing build script (used in test coverage script)
448b200 Update README.md
3b438d9 Bumped multiplier to 10
9b0c48d Added timeout multiplier of 3 for check (and travis)
15952ca Added environments with eio support enabled/disabled
85b8b1d Attemp to fix unit tests for travis
89a97c5 embedded libeio is not built static with -fpic
8d305c4 Merge commit '603f8a62eefe45f01c7a9df1fa4f8256b86a593a'
ec70d0b Valgrind is not optional

git-subtree-dir: evfibers
git-subtree-split: fbd1dcbf34ec3f047bac50aa877a80c318a872c2
Merge commit '7fbb93f35474501354da0a37e69d8974421f9948' into experimental3