Revert "burp 1.3.48"

This reverts commit 619c35abb5ebf30c714971d7b8aef0c64b3945cf.
burp: use working download
nginx 1.4.7/devel 1.5.12

Security advisory: http://mailman.nginx.org/pipermail/nginx-announce/2014/000135.html
nginx: update 1.4.7 bottle.

Closes #27670.
Always use CurlDownloadStrategy for legacy patches

Fixes #27671.
Remove redundant method

This already happens in the superclass.
cogl: use patch DSL
collada-dom: use patch DSL
colordiff: use patch DSL
colorsvn: use patch DSL
cppdom: use patch DSL
cppunit: use patch DSL
crosstool-ng: use patch DSL
cscope: use patch DSL
csync: use patch DSL
ctags: use patch DSL
cups-pdf: use patch DSL
dcmtk: use patch DSL
devil: use patch DSL
devtodo: use patch DSL