Made platformio config work (on my system)

I hope it works for everyone else as well.

Author: Mikael Degerfält

NuEVI/platformio.ini

@@ -8,9 +8,26 @@
 ; Please visit documentation for the other options and examples
 ; https://docs.platformio.org/page/projectconf.html
 
-[env:teensy31]
+
+[platformio]
+src_dir = .
+
+[env]
 platform = teensy
 board = teensy31
 framework = arduino
 build_flags = -D USB_MIDI -D TEENSY_OPT_FASTER
-board_build.f_cpu = 96000000L
+board_build.f_cpu = 96000000L
+lib_deps =
+  adafruit/Adafruit MPR121 @ ^1.1.1
+  adafruit/Adafruit SSD1306 @ ^2.5.7
+
+[env:nuevi]
+build_flags = ${env.build_flags}
+
+[env:nurad]
+build_flags = ${env.build_flags} -D NURAD
+
+[env:nurad_seamus]
+build_flags = ${env.build_flags} -D NURAD -D SEAMUS
+