Update to PHP74 travis and simplify matrix.

Author: dereuromark

.travis.yml

@@ -2,11 +2,12 @@ language: php
 
 php:
   - 5.5
-  - 5.6
-  - 7.0
-  - 7.1
-  - 7.2
-  - nightly
+  - 7.3
+  - 7.4snapshot
+
+services:
+  - postgresql
+  - mysql
 
 env:
   - DB=agnostic #only database agnostic tests
@@ -18,11 +19,10 @@ install:
   - composer install
 
 before_script:
-  - if [[ $DB != 'agnostic' && $DB != 'sqlite' ]]; then ./tests/bin/setup.$DB.sh; fi
+  - if [[ $DB != 'agnostic' && $DB != 'sqlite' ]]; then tests/bin/setup.$DB.sh; fi
 
 script:
-  - ./vendor/bin/phpunit -v -c tests/$DB.phpunit.xml;
-
+  - vendor/bin/phpunit -v -c tests/$DB.phpunit.xml;
 
 matrix:
   include:
@@ -62,7 +62,7 @@ matrix:
     - php: 7.1
       env: DB=mysql MARIADB=10.0
       addons:
-        mariadb: 10.0    
+        mariadb: 10.0
     - php: 7.2
       env: DB=mysql MARIADB=10.0
       addons:
@@ -100,7 +100,7 @@ matrix:
     - php: 7.2
       env: DB=pgsql POSTGRES=9.2
       addons:
-        postgresql: 9.2    
+        postgresql: 9.2
 
     - php: 5.5
       env: DB=pgsql POSTGRES=9.3
@@ -143,7 +143,7 @@ matrix:
       env: DB=pgsql POSTGRES=9.4
       addons:
         postgresql: 9.4
-    
+
     - php: 5.5
       env: DB=pgsql POSTGRES=9.5
       addons:
@@ -164,7 +164,7 @@ matrix:
       env: DB=pgsql POSTGRES=9.5
       addons:
         postgresql: 9.5
-    
+
     - php: 5.5
       env: DB=pgsql POSTGRES=9.6
       addons:
@@ -185,23 +185,14 @@ matrix:
       env: DB=pgsql POSTGRES=9.6
       addons:
         postgresql: 9.6
-    
-
-  allow_failures:
-    - php: nightly
 
   fast_finish: true
 
-# cache vendors
 cache:
   directories:
     - vendor
     - $HOME/.composer/cache
 
-# This triggers builds to run on the new TravisCI infrastructure.
-# See: http://docs.travis-ci.com/user/workers/container-based-infrastructure/
-sudo: false
-
 notifications:
   webhooks:
     - http://propel.jarves.io/build.php