Merge pull request #141 from XenoBits/master

Ergodox EZ new keymap for C# developers

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+# ErgoDox EZ C# Developer configuration
+
+## Changelog
+
+* Feb 12, 2016 (V1): 
+  * First version commit
+
+## About
+This layout was conceived in an attempt to optimise keyboard layout for developers (C# more specifically, but it can work with most of other languages), and limit the keys required to perform the most frequent actions.
+
+I came to the realization that my main tool as a developer, the qwerty keyboard was something that did not evolved at its core in almost 150 years.
+There are a lot of reasons to this, and it would be a massive entreprise to change a standard so strongly anchored, but I wanted to give it a try and see how would look an input device dedicated to developers, more specifically a C# developer in my case.
+The biggest flaw in standard QWERTY keyboards was that I always needed to perform key combination to access commonly used characters or actions. Think about it a minute, how many times a day do you press a modifier key such as Ctrl or Shift, it's insane and could be so easily optimized to require only one key press.
+
+Then I came across the ErgoDox EZ project, that allowed a full customization of its firmware, and a unique 2 parts design.
+
+![CSharpDev](csharp_dev_legend.png)
+
+## Layout design principles
+* No key combination required for the most common input characters ( (),[],{},<> ... )
+* No key combination required for the most common actions (copy/paste/undo/save)
+* Regroup characters by usage ( + - * =  ...)
+* Easy access to the most commonly used characters: ; / " . ,
+* Preregistered macro for the most common C# langage instructions: public / private / string / int / float ...
+
+## Why is it specific to C Sharp
+I defined the characters priority based on their usage in C# language, most of this characters are also used in other coding languages but it may require some tweaking. 
+For example there is no direct access to ~ or $ keys which can be very common in some languages.
+Note it is also specific to Windows environement as the shortcut used in action keys would not work on Mac Os
+
+## In usage
+It was relatively easy to get used to the layout, but it's hard for me to define how easy it was as I was getting used to a blank Ergodox keyboard at the same time.
+Still it's extremely satisfying to Save your file with just one easily accessible key or to have one big key to end your code line ( ; )
+
+## Improvements
+This layout was shared after a bunch of iterations and only once I was happy with it.
+Still there are many way to improve or iterate on this:
+* Make it language agnostic
+* Check and compile language's keyboard's heatmaps to statistically define keys priority (e.g.  https://dzone.com/articles/most-pressed-keys-various )
+* QWERTY is still not the most efficient typing layout, I would like to create a Dvorak based similar layout in a near futur
+* Layout 1 is mainly here for safety, most of its unique keys could be transfered to Layout 2 and it could then be removed
+
+## Issues 
+One of the issues encountered while creating this layout was that I did not find a way to have a key to send a modifier on hold, and a key combination while pressed (e.g. I can't set a Key to do Save (Ctrl + S) when pressed and Shift modifier when hold )
+
+