Squashed 'evfibers/' changes from fbd1dcb..d17d37d

d17d37d Merge pull request #4 from miihael/master
ed34b5a remove the section about EINTR from the doc; clear formatting; handle EOPNOTSUPP in fbr_eio_fallocate test
b82c969 remove custom timeout; add comment about disabled fallocate test
e456129 add documentation to fbr_*_wto functions; reimplement fbr_wait_one_wto; add fbr_write_wto
a667eb8 increase default timeout for eio tests, disable eio_fallocate test
9d2d94b special version of fbr_connect/fbr_read_all/fbr_write_all socket functions with additional timeout argument
2c153ee Added "Who uses this project" section
3d048ca Merge commit '7fbb93f35474501354da0a37e69d8974421f9948' into experimental3
8ca09a8 ASan support

git-subtree-dir: evfibers
git-subtree-split: d17d37d628cfdfcc69b1f89e7c5410023b468115
Merge commit '8ebfdbdc3289787e3b39d4c953354262281fcd77'
changelog for hotfix 0.9-8