Revert 2d0123f..0c20715

This rolls back to commit 2d0123f325abe2dcf92a898547ff73bb28998b11.
reverted the OpenSSL removal.
Merge pull request #176 from AzureAD/dev

Dev
Fixed double free issue

Fixed double free issue
Merge pull request #179 from AzureAD/dev

Dev
Release 1.1.5
parentcontroller fix
Merge branch 'master' of github.com:AzureAD/azure-activedirectory-library-for-objc
Merge pull request #188 from AzureAD/master

Master to dev podspec pull