fix(ci): disable old libvips versions

.travis.yml

@@ -7,9 +7,6 @@ services:
   - docker
 
 env:
-  # - LIBVIPS=7.42.3
-  # - LIBVIPS=8.4.6
-  - LIBVIPS=8.5.8
   - LIBVIPS=8.6.2
   - LIBVIPS=8.7.4
   # - LIBVIPS=8.8.4

README.md

@@ -1,8 +1,8 @@
 # bimg [![Build Status](https://travis-ci.org/h2non/bimg.svg)](https://travis-ci.org/h2non/bimg) [![GoDoc](https://godoc.org/github.com/h2non/bimg?status.svg)](https://godoc.org/github.com/h2non/bimg) [![Go Report Card](http://goreportcard.com/badge/h2non/bimg)](http://goreportcard.com/report/h2non/bimg) [![Coverage Status](https://coveralls.io/repos/github/h2non/bimg/badge.svg?branch=master)](https://coveralls.io/github/h2non/bimg?branch=master) ![License](https://img.shields.io/badge/license-MIT-blue.svg)
 
-Small [Go](http://golang.org) package for fast high-level image processing using [libvips](https://github.com/jcupitt/libvips) via C bindings, providing a simple, elegant and fluent [programmatic API](#examples).
+Small [Go](http://golang.org) package for fast high-level image processing using [libvips](https://github.com/jcupitt/libvips) via C bindings, providing a simple [programmatic API](#examples).
 
-bimg was designed to be a small and efficient library supporting a common set of [image operations](#supported-image-operations) such as crop, resize, rotate, zoom or watermark. It can read JPEG, PNG, WEBP natively, and optionally TIFF, PDF, GIF and SVG formats if `libvips@8.3+` is compiled with proper library bindings.
+bimg was designed to be a small and efficient library supporting common [image operations](#supported-image-operations) such as crop, resize, rotate, zoom or watermark. It can read JPEG, PNG, WEBP natively, and optionally TIFF, PDF, GIF and SVG formats if `libvips@8.3+` is compiled with proper library bindings.
 
 bimg is able to output images as JPEG, PNG and WEBP formats, including transparent conversion across them.
 
@@ -49,7 +49,7 @@ If you're using `gopkg.in`, you can still rely in the `v0` without worrying abou
 
 ## Prerequisites
 
-- [libvips](https://github.com/libvips/libvips) 7.42+ or 8+ (8.4+ recommended)
+- [libvips](https://github.com/libvips/libvips) 8.3+ (8.8+ recommended)
 - C compatible compiler such as gcc 4.6+ or clang 3.0+
 - Go 1.3+