Switched back to old library layout (issues #39, #43 and #45)

library.properties

@@ -1,8 +0,0 @@
-name=ArduinoJson
-version=4.0
-author=Benoit Blanchon <http://blog.benoitblanchon.fr/>
-maintainer=Benoit Blanchon <http://blog.benoitblanchon.fr/>
-sentence=An efficient and elegant JSON library for Arduino
-paragraph=Supports JSON parsing and formatting. Uses fixed memory allocation.
-url=https://github.com/bblanchon/ArduinoJson
-architectures=*