Fix build on Windows

Identified why the project was not building on Windows (reported bug
platformio/platformio-core#652 to the platformio team) and added a very
simple workaround.

Project now builds properly on Windows, in the command line and in Atom.
By default we will not upload.

.gitignore

@@ -1,4 +1,3 @@
 .pioenvs
-.sconsign.dblite
-tags
-*.pyc
+.clang_complete
+.gcc-flags.json

platformio.ini

@@ -5,45 +5,32 @@
 # http://docs.platformio.org/en/latest/projectconf.html
 #
 
-# A sign `#` at the beginning of the line indicates a comment
-# Comment lines are ignored.
-
-# Simple and base environment
-# [env:mybaseenv]
-# platform = %INSTALLED_PLATFORM_NAME_HERE%
-# framework =
-# board =
-#
-# Automatic targets - enable auto-uploading
-# targets = upload
-
 [env:host]
 platform = teensy
 framework = arduino
 board = teensy31
 # Adafruit-NeoPixel, Encoder, ILI9341_t3, ILI9341_fonts
 lib_install = 28, 129, 541
-src_filter = +<host/*> +<host/tasks/>
+src_filter = +<host/*> #workaround-platformio#652
 # temporary kludge for board.h while it's migrating to KBox lib
 src_build_flags = -Ilib/KBox/src/drivers
 # uncomment to get seatalk support
 #build_flags = -DSERIAL_9BIT_SUPPORT -DSEATALK
-targets = upload
 lib_ignore = ESPAsyncTCP
 
 # This configuration builds a very simple firmware for the host that allows to upload
 # a firmware to the ESP8266 module.
 [env:program-esp]
-src_build_flags = -Ilib/KBox/drivers/
 platform  = teensy
 framework = arduino
 board = teensy31
-src_filter = +<program-esp/*>
-targets = upload
+# temporary kludge for board.h while it's migrating to KBox lib
+src_build_flags = -Ilib/KBox/drivers/
+src_filter = +<program-esp/*> #workaround-platformio#652
 lib_ignore = ESPAsyncTCP
 
 [env:esp]
-src_filter = +<esp/*>
+src_filter = +<esp/*> #workaround-platformio#652
 platform = espressif
 framework = arduino
 #board = esp_wroom_02