Added PEMSerializationBackend interface
Merge branch 'master' into pem-loading-backend
Document the new interface
Added entry_points.
Removed need for Binding entry_point
Fix test failures
Merge pull request #1283 from Ayrx/entry_points

Added entry_points.
add 0.5.3 changelog information to master
Merge pull request #1294 from reaperhulk/0.5.3-changelog

add 0.5.3 changelog information to master
X509_VERIFY_PARAM_set_hostflags is available in 1.0.2-beta2

fixes #1295
fix warnings caused by signature changes from beta1 to beta2
add OpenSSL from RHEL/CentOS 7 to testing list
Merge pull request #1296 from reaperhulk/fix-1295

X509_VERIFY_PARAM_set_hostflags is available in 1.0.2-beta2
Merge pull request #1297 from reaperhulk/update-openssl

add OpenSSL from RHEL/CentOS 7 to testing list
KASVS vector loader
Refs #1301 -- moved constant time code into it's own .c and .h files
Simplify, thanks @dstufft
Fix?
Added include guards, and license headers
Revert "Added include guards, and license headers"

This reverts commit a4902b67fb4ef1e7fd477d27353242da879ca90c.