Merge pull request xmlsec#51 from bgaifullin/master

fixed loading crypto library for xmlsec >1.2.21 xmlsec#50

Merge pull request xmlsec#49 from bgaifullin/master

Fixed initialization with dynamic crypto library xmlsec#48

Merge pull request xmlsec#47 from bgaifullin/master

Fixed compilation error with xmlsec > 1.2.20 xmlsec#46

Merge pull request xmlsec#44 from bgaifullin/master

Transformed README to rst format

Merge pull request xmlsec#43 from bgaifullin/master

Adjusted travis deploy section

Merge pull request xmlsec#42 from bgaifullin/master

Added missing files to sdist

Merge pull request xmlsec#41 from bgaifullin/master

Configured auto deploy via travis