add configurable gzip_min_length attribute
add missing documentation line for gzip_vary
add missing documentation line for gzip_buffers
add configurable gzip_disable attribute, defaults to 'msie6' special mask available since nginx 0.7.12
more consistant use whitespaces in nginx.conf.erb
misc formatting fixes for attributes/default.rb gzip block
add server_tokens attribute
add client_body_buffer_size attribute
Merge branch 'more-attrs'