Mark maven as a build-time dep where appropriate

Formula/couchdb-lucene.rb

@@ -4,7 +4,7 @@ class CouchdbLucene < Formula
   sha1 '75e0c55a87f47903c6cd122286ea3e4568809f7e'
 
   depends_on 'couchdb'
-  depends_on 'maven'
+  depends_on 'maven' => :build
 
   def install
     ENV["JAVA_HOME"] = `/usr/libexec/java_home`.chomp

Formula/elasticsearch.rb

@@ -9,7 +9,7 @@ class Elasticsearch < Formula
 
   head do
     url "https://github.com/elasticsearch/elasticsearch.git"
-    depends_on "maven"
+    depends_on "maven" => :build
   end
 
   def cluster_name

Formula/git-tf.rb

@@ -7,7 +7,7 @@ class GitTf < Formula
 
   head do
     url 'https://git01.codeplex.com/gittf', :using => :git
-    depends_on 'maven'
+    depends_on 'maven' => :build
   end
 
   def install

Formula/golo.rb

@@ -7,7 +7,7 @@ class Golo < Formula
 
   head do
     url "https://github.com/golo-lang/golo-lang.git"
-    depends_on "maven"
+    depends_on "maven" => :build
   end
 
   depends_on :java => "1.7"