Merge tag '0.4.5' into develop

Version 0.4.5
chore(tvd.rip): relative imports
chore: future unicode_literals
chore: rename TVD_RESOURCE constants
chore(plugin): relative imports
chore: switch to pyannote.core Transcription
chore(create): relative imports
fix: Transcription instances have no save method
chore: reordering imports
pip: pyannote.core 0.0.2
doc: CHANGELOG
Merge branch 'release/0.5'