Adding some more vendered expressions

* `Vendor/`, the capitalized path
* Crashlytics, a common iOS framework
* Fabric, a common iOS framework

lib/linguist/vendor.yml

@@ -70,6 +70,7 @@
 - 3rd[-_]?party/
 - vendors?/
 - extern(al)?/
+- (^|/)[Vv]+endor/
 
 # Debian packaging
 - ^debian/
@@ -172,6 +173,13 @@
 # Sparkle
 - (^|/)Sparkle/
 
+# Crashlytics
+- Crashlytics.framework/
+
+# Fabric
+- Fabric.framework/
+
+
 ## Groovy ##
 
 # Gradle