remove files generated by dzil
dzil configuration file
these tests are generated by dzil
convert all files to UTF-8
reformat the documentation

this patch:
- replaces =item by =head2 or =head3 for method names,
  with actual code examples for each, to improve linkability
- turns most C<> into L<>
- updates the copyright dates
Merge branch 'dzil'
document upgrade_SSL in Net::Proxy::Connector::connect_ssl
add a .gitignore file
let dzil handle $VERSION
unindent the Changes file