"set -e" like behaviour during compilation
Do fail if any of the commands fail
Unifies the compiler flags
Merge branch 'gnu-sources'
Merge branch 'travisci-no-fail'
_FILE_OFFSET_BITS=64 support added
Fixes a few compilation warnings
Fixes quite a few compilation warnings

Most of the compilation warnings this patch fixes are related to the
types of the strings being compared.
Fixes compilation
CMake code to detect strerror_r()
Add defines for CHECK_C_SOURCE_RUNS entries
Adds support for GlibC and POSIX versions of strerror_r()
Merge branch 'strerror_r'
Issue#37: _GNU_SOURCE for Checks
Merge pull request #38 from Akrog/issue#37

Issue#37: _GNU_SOURCE for Checks
Fixes regression in CMake
Adds new 'Contribute' entry to README

Information on how to contribute with the project has been added to the
README file. It’s some basic information around the recommended usage
of git and GitHub.
Adds new method to get the size of a header table

Implements hpack_header_table_get_size() so memory usage can be
confirmed to comply with the spec.
Better header table size check
Adds a new iterative test for the integer encoding/decoding