[skip changelog] Add link to library dependency resolution process docs from library specification (#842)

Many of the things documented in the library specification are used as determining factors in library dependency resolution. An understanding of how the components of a library influence dependency resolution priorities can be very helpful to a library developer.

Author: per1234

docs/library-specification.md

@@ -13,7 +13,8 @@ Arduino development software supports multiple microcontroller architectures (e.
 
 ## See also
 
-The Arduino library style guide is here : http://arduino.cc/en/Reference/APIStyleGuide
+* [Arduino library style guide](http://arduino.cc/en/Reference/APIStyleGuide)
+* [Library dependency resolution process documentation](../sketch-build-process/#dependency-resolution)
 
 ## 1.5 library format (rev. 2.2)