v3.1.1: Merge pull request #14 from timotheecour/fix_issues_13

fix issue 13

Upgrade to release/3.1

Merge pull request #11 from complistic-gaff/release/3.1

Upgrade to ffmpeg 3.1

Upgrade to release/3.0

Add remuxing and transcoding examples.

Upgrade to 3.0.9, add swresample and a few other headers.

Added @nogc nothrow

Merge pull request #8 from ljubobratovicrelja/nogc-nothrow-patch

Nogc nothrow patch, and dub config

v2.5.0

Added tip on os x failed linkage closes #1