Added ffmpeg install to travis through a script now found in tests/scripts. README is now in Markdown as well and links to travis build status.
Merge pull request #48 from christianselig/7.x

Added ffmpeg install to travis through a script now found in tests/scrip...
Merge branch '7.x' of https://github.com/Islandora/islandora_solution_pack_video into 7.x
Changes to conform new derivative structure.
Carry through changes of Islandora constants.
Merge pull request #50 from adam-vessey/7.x-constants

Carry through changes of Islandora constants.
Merge branch '7.x' of github.com:Islandora/islandora_solution_pack_video into 7.x-derivatives
Fix strict checking.
Merge pull request #49 from jordandukart/7.x-derivatives

Changes to conform new derivative structure.
Merge branch '7.x' of https://github.com/Islandora/islandora_solution_pack_video into 7.x