on #307, brach curl, target pi2 - copy the damn libcurl

* still fails to load typhoeus during ruby init. Very confusing.
  because x86_64_linux and xwin7 work.

lib/shoes/image.rb

@@ -1,3 +1,4 @@
+# august 2017 - using typhoeus gem instead of open_uri
 #require 'shoes/open-uri-patch'
 require 'shoes/HttpResponse'
 #require 'openssl'
@@ -20,7 +21,6 @@ def self.image_cache_path hash, ext
   # assumes HttpResponse from download.rb has been require'd
   # and with magic of duck typing, it looks like cResponse. 
   #
-  # 2017-08-17 now using typhoenus instead of open_uri
   def self.image_download_sync url, opts
     #$stderr.puts "image_download_sync called #{url}"
     tmpf = File.open(opts[:save],'wb')

make/linux/pi2/env.rb

@@ -82,3 +82,4 @@
 SOLOCS['sqlite'] = "#{ularch}/libsqlite3.so.0.8.6"
 SOLOCS['ffi'] = "#{ularch}/libffi.so" 
 SOLOCS['rsvg2'] = "#{ularch}/librsvg-2.so"
+SOLOCS['curl'] = "/usr/local/lib/libcurl.so"