Creates a layouts/ folder for keymaps shared between keyboards (#1609)

* include variables and .h files as pp directives

* start layout compilation

* split ergodoxes up

* don't compile all layouts for everything

* might seg fault

* reset layouts variable

* actually reset layouts

* include rules.mk instead

* remove includes from rules.mk

* update variable setting

* load visualizer from path

* adds some more examples

* adds more layouts

* more boards added

* more boards added

* adds documentation for layouts

* use lowercase names for LAYOUT_

* add layout.json files for each layout

* add community folder, default keymaps for layouts

* touch-up default layouts

* touch-up layouts, some keyboard rules.mk

* update documentation for layouts

* fix up serial/i2c switches

layouts/community/ergodox/dvorak_programmer_swe/readme.md

@@ -0,0 +1,28 @@
+# ErgoDox EZ Dvorak Programmer SWEDISH
+
+Dvorak layout adjusted for a suitable programmer layout and swedish special characters added:
+
+* åäö characters added
+* Layout for common vb.net keywords
+* Common Visual Studio commands like Save, Build, Debug
+
+TODO:
+
+* (Layer 4 is qwerty (for easier gaming & less fortunate keyboard users)) Like this idea, will add it later on
+
+Known issues:
+
+* Keymap 2 modifier has not gotten its place yet..
+* Print screen, where?
+
+
+## Changelog
+
+* 2017-05-16
+  * Initial release
+
+# Author
+Christian Westerlund
+cwesterlund @ github
+
+Thanks to the author of keymap csharp_dev for inspiration!