tweak the oculus find module to take copied-in folders
find LibOVR depending on architecure and build type on Linux and Win
simplify the gitignore for interface externals with readme
remove extra spaces in the gitignore
Merge branch 'master' of https://github.com/highfidelity/hifi
Merge branch 'master' of https://github.com/highfidelity/hifi
Merge branch 'master' of https://github.com/highfidelity/hifi
Merge branch 'master' of https://github.com/highfidelity/hifi
Basic joint data sending.  Closes #2166.
Merge branch 'master' of https://github.com/highfidelity/hifi into joints
Further joint bits.
Merge pull request #2231 from ey6es/joints

Send joint rotations in avatar packets, allow scripts to get/set them.
Merge pull request #2229 from birarda/master

make LibOVR (for oculus) an external dependency
fix warning about malformed case statement
Merge branch 'master' of https://github.com/highfidelity/hifi into cleanup-externals