Trial-Implementation - technical corrections

What's Changed

• add capability statements by @JohnMoehrke in #71
• add context to the extensions by @JohnMoehrke in #73
• remove display names from profiling by @JohnMoehrke in #79
• add date and patient.identifier search parameter
• fix slicing of a sliced extension profiling
• quality improvements

Full Changelog: 1.1.1...1.1.2