Cleanup: fix names of recipe and patch files.

* this fixes the wrong recipe names introduced by myself in #d525fee
* adjust patch names to match corresponding recipes
* additionally: create 'additional-files' folders as hint to some
  ports that do not have a proper recipe yet

dev-vcs/subversion/subversion-1.7.xx_svn

@@ -1,30 +0,0 @@
-DESCRIPTION="Subversion is an open source version control system" 
-HOMEPAGE="http://subversion.apache.org" 
-SRC_URI="svn+http://svn.apache.org/repos/asf/subversion/trunk"
-#CHECKSUM_MD5=""
-REVISION="1"
-STATUS_HAIKU="stable"
-DEPEND=""
-BUILD()
-{
-	cd subversion-1.7.xx-svn
-	libtoolize --force --copy --install
-	aclocal -I build -I build/ac-macros
-	autoconf
-	./autogen.sh
-	./configure --prefix=`finddir B_COMMON_DIRECTORY` \
-	--with-apr=`finddir B_COMMON_BIN_DIRECTORY`/apr-1-config \
-	--with-apr-util=`finddir B_COMMON_BIN_DIRECTORY`/apu-1-config \
-	--with-neon=/boot/common \
-	--with-editor=nano \
-	--with-zlib=/boot/common
-	make
-}
-
-INSTALL()
-{
-	cd subversion-1.7.xx-svn
-	make install
-}
-LICENSE="Apache-Subversion"
-COPYRIGHT="2010 The Apache Software Foundation"