[FEATURE] faster travis (#2)

* [WIP] update readme

* [FEATURE] add SensioLabsInsights shield

* [BUGFIX] fix travis caching

* [FEATURE] speed up travis if cache is found

.gitignore

@@ -1,4 +1,2 @@
-
-/.idea/
 /vendor/
 composer.lock

.travis.yml

@@ -2,6 +2,9 @@ language: php
 dist: trusty
 sudo: false
 
+git:
+  depth: 5
+
 php:
   - 5.6
   - 7.0
@@ -11,23 +14,23 @@ php:
 env:
   matrix:
     -
-    - DEPENDENCIES=--prefer-lowest
-    - REQUIRE=composer require phpro/grumphp:* --no-progress --profile --no-scripts --no-suggest
+    - dependencies=lowest
+    - dependencies=highest
 
 cache:
   directories:
-    - .composer/cache
+    - $HOME/.composer/cache
 
 matrix:
   fast_finish: true
 
 before_install:
-  - alias composer=composer\ --no-interaction && composer selfupdate
-  - composer global require hirak/prestissimo
+    - phpenv config-rm xdebug.ini || echo "xdebug not available"
 
 install:
-  - travis_retry composer update --no-progress --profile --no-scripts --no-suggest $DEPENDENCIES
-  - travis_retry $REQUIRE
+  - if [ -z "$dependencies" ];          then composer install                  --no-progress --no-scripts --no-suggest -n; fi;
+  - if [ "$dependencies" = "lowest" ];  then composer update                   --no-progress --no-scripts --no-suggest -n --prefer-lowest; fi;
+  - if [ "$dependencies" = "highest" ]; then composer require phpro/grumphp:*  --no-progress --no-scripts --no-suggest -n; fi;
 
 script:
    - ./vendor/bin/grumphp run

README.md

@@ -2,6 +2,7 @@
 [![Packagist](https://img.shields.io/packagist/l/pluswerk/grumphp-xliff-task.svg?style=flat-square)](https://opensource.org/licenses/LGPL-3.0)
 [![Travis](https://img.shields.io/travis/Kanti/LJSON.svg?style=flat-square)](https://travis-ci.org/Pluswerk/grumphp-xliff-task)
 [![Code Climate](https://img.shields.io/codeclimate/github/pluswerk/grumphp-xliff-task.svg?style=flat-square)](https://codeclimate.com/github/pluswerk/grumphp-xliff-task)
+[![SensioLabsInsight](https://img.shields.io/sensiolabs/i/0dffac96-6dda-48b1-b0a4-452bddaffc50.svg?style=flat-square)](https://insight.sensiolabs.com/projects/0dffac96-6dda-48b1-b0a4-452bddaffc50)
 # grumphp-xliff-task
 GrumPHP task to lint xlf/xliff Files
 ### grumphp.yml: