GLCD shows an on-screen message before waiting for serial to be ready
fixed info text
renamed object definitions: Arduino_GLCD -> GLCD
renamed Arduino_GLCD.{cpp,h} to GLCD.{cpp,h}
other renamings
Merge branch 'onScreenInfoBeforeSerialInit'
Merge branch 'master' into renameArduino_GLCDToGLCD