bugfix GLFW delete/backspace/return keys were not coming in. also ctrl click alt click were not coming in as left right click. closes #2197
bugfix GLFW fix for shift key changing case of letter
bugfix glfw key presses reverted to LEFT/RIGHT types. ofEvents fix for detecting OF_KEY_ALT OF_KEY_CTRL etc
Merge branch 'develop' of github.com:openframeworks/openFrameworks into bugfix-glfw-fixes
bugfix glfw alt/ctrl/shift/super keys now correctly parsed - allows for ofGetKeyPressed(OF_KEY_LEFT_ALT) as well. closes #2197
Merge pull request #2198 from openframeworks/bugfix-glfw-fixes

bugfix GLFW delete/backspace/return keys were not coming in. also ctrl-click alt-click were not coming in as left right click. closes #2197