Tags

* new format and method for USER_AGENT

* support adding information to the USER_AGENT
* solve bad URLs created with secure_cdn_subdomain. Resolves cloudinary#28

Increment to version 1.1.0

* support video tag generation and url helpers
* support video transformation parameters: audio_codec, audio_frequency, bit_rate, video_sampling, duration, end_offset, start_offset, video_codec
* support zoom transformation parameter
* support ftp url
* allow specifying request timeout
* enable eager_async and eager_notification_url in explicit
* change upload_large's endpoint to use upload with content_range header
* support chunk_size in cl_upload_tag

Increment version to v1.0.17: Add a changelog, Add support for 'overw…

…rite' option in upload, Allow root path for shared CDN.

Increment version to v1.0.16: Support folder listing, Secure domain s…

…harding support, Don't sign version component, URL suffix and root path support, Support tags in upload large, Make call_api public.

Increment version to v1.0.15: Support api_proxy parameter for setting…

… up a proxy between the PHP client and Cloudinary, Fixing HHVM Compatibility Issue

Increment version to v1.0.14: Remove force SSLv3

support invalidation in bulk deletion reqs

Increment version to v1.0.12: Support custom_coordinates is upload an…

…d update. Support coordinates in resource details. Support return_delete_token parameter in upload and cl_image_upload_tag. Correctly escape parentheses.

Increment version to v1.0.11: Support for auto dpr, auto width and re…

…sponsive width. Support for background_removal in upload and update.

Increment version to v1.0.10: Remove closing PHP tags. Support upload…

…_presets. Support unsigned uploads. Support start_at for resource listing. Support phash for upload and resource details. Better error message in case of file not found in uploader for PHP 5.5+