Infer version 0.9.1

This is a minor source release of Infer packaged with pre-built binaries for clang and facebook-clang-plugins for Linux and MacOS. It contains bugfixes to 0.9.0, in particular to enable packaging via Homebrew and to fix an issue with locales. To use it follow these instructions.

For the full list of changes included see here.

The sha256 checksums of the tarballs are:

$ shasum -a 256 -p infer-*-v0.9.1.tar.xz
c6dc64db4a6075d4fac32712bbd0e087ecb6d909ac590220acd64bd4a33480c3 ?infer-linux64-v0.9.1.tar.xz
6dbb1bb7b3e28d99a8c02fd42f2f87894bf0c5564c13645aae679effb8ee8418 ?infer-osx-v0.9.1.tar.xz