Revert "Removed TeachGL directory"

This reverts commit aa27e5f803adb75b187e087ef74851c11722aad6.
Revert "Renamed project"

This reverts commit 785faf2945edfd16936cc9efdcf45b1d61a095f0.
Revert "Revert "Renamed project""

This reverts commit 855a80e8ddd5e42bc55417cbef637d5fbae005f2.
Revert "Revert "Revert "Renamed project"""

This reverts commit 191bbee6394481ba837a8e19ac0938e4efc04a61.
Revert "Revert "Renamed project""

This reverts commit c45958e00c1911395fc3647afa8baff6b16d7610.
Revert "Revert "Minor changes""

This reverts commit ef82b91f6933058b1d41fcb54b7bceebe5760d68.
Revert "Revert "Revert "Minor changes"""

This reverts commit 0cfc52bc60132417068135f846427f8f1ab6d761.
Revert "Revert "Revert "Revert "Minor changes""""

This reverts commit 6d116253d2202fa29c56a63d6876786291fc08a7.
Revert "Revert "Revert "Revert "Revert "Minor changes"""""

This reverts commit 73c210025aa5d8519a60a353f87910a6016a7391.
Revert "Revert "Revert "Revert "Minor changes""""

This reverts commit 7bdb5b92db4c2e33a4332b86dbd03cc379e404d0.
Revert "Revert "Revert "Minor changes"""

This reverts commit 7a6cf5378a026206490b4ec52d30848ab05d75f7.
Revert "Revert "Revert "Renamed project"""

This reverts commit 83df23e1eca60b6f204f127cc1575af2a1cb3ba1.
Revert "Revert "Revert "Revert "Renamed project""""

This reverts commit 3c4c2bcc8de1e766410bf5de1316f69f39ce1694.
Revert "Revert "Revert "Renamed project"""

This reverts commit 83999d790b60a7802a50a11a138723406d6af609.
Revert "Revert "Renamed project""

This reverts commit 0a0bbb153b74930d122de0eab4ca79ffc3c69090.
Revert "Revert "Minor changes""

This reverts commit 9d05df857d343c799a48def52e74465c2cb6048e.
Revert "Revert "Revert "Minor changes"""

This reverts commit 1e53b876ce8c782f0b4cef342cd9402c66919dc6.
Revert "Revert "Revert "Revert "Minor changes""""

This reverts commit 21ca2ac390885efa934a3cdaff8d5b58b739793d.
Revert "Revert "Revert "Minor changes"""

This reverts commit 7cc2e6f1fc11cf32f6f82e161cb2490dc930e45d.
Revert "Revert "Minor changes""

This reverts commit e9eb193df67b58ffefd3fc97ac4a856e3e6cf5bd.