added nginx.conf file with settings to increase server_names_hash_bucket_size to 64 for file uploads. nginx.conf also configured gzip settings
added php.ini file with settings for upload_max_filesize and post_max_size to increase to 64M for uploading files in wordpress
added comments to common.conf
added overwrite php.ini file and nginx.conf files with php restart
changed Varnish cache TTL to 1 hr
added line to change ownership of www files to www-data
Updated readme for digital ocean api
added Digital Ocean provider api