Additional aspectjweaver JAR Location

Previously, the search for aspectweaver-*.jar only searched for Spring Boot
typical locations`.  It missed JARs in non-Boot applications.  This change
loosens the search for the JAR so that non-Boot application can be used.

[#473]

Author: nebhale

lib/java_buildpack/util/jar_finder.rb

@@ -48,7 +48,7 @@ def version(application)
       private
 
       def jar(application)
-        (application.root + '**/lib/*.jar').glob.find { |jar| jar.to_s =~ @pattern }
+        (application.root + '**/*.jar').glob.find { |jar| jar.to_s =~ @pattern }
       end
 
     end