GUACAMOLE-2139: Migrate all license information to new automated format.

doc/licenses/j2objc-annotations/LICENSE

@@ -0,0 +1,4 @@
+# Name:    Java to Objective-C Annotations
+# URL:     https://github.com/google/j2objc
+# From:    'Google Inc.' (http://www.google.com/)
+# License: Apache v2.0

doc/licenses/j2objc-annotations/dep-coordinates.txt

@@ -0,0 +1 @@
+com.google.j2objc:j2objc-annotations:jar:*