update .gitignore
Merge branch 'master' into upgrade-uv
upgrade uv to 0.10.27

re-apply: commit 00f92a
re-apply: commit 2e61cd

Conflicts:

	Android.mk
	deps/uv/uv.gyp
	pomelo.gyp
reconn: randomize the delay for reconnecting back off
Merge branch 'master' into auto-reconn

Conflicts:
	.gitignore