Merge pull request #875 from varyonic/update-build-matrix

Update build matrix

.travis.yml

@@ -3,10 +3,8 @@ language: ruby
 sudo: false
 
 rvm:
-  - 2.3.3
-  - 2.2.6
-  - 2.1.10
-  - 2.0
+  - 2.5
+  - 2.2
 
 env:
   - RAILS=5-2-stable DB=sqlite3
@@ -21,79 +19,6 @@ env:
   - RAILS=4-2-stable DB=mysql
   - RAILS=4-2-stable DB=postgres
 
-  - RAILS=4-1-stable DB=sqlite3
-  - RAILS=4-1-stable DB=mysql
-  - RAILS=4-1-stable DB=postgres
-
-  - RAILS=4-0-stable DB=sqlite3
-  - RAILS=4-0-stable DB=mysql
-  - RAILS=4-0-stable DB=postgres
-
-  - RAILS=3-2-stable DB=sqlite
-  - RAILS=3-2-stable DB=mysql
-  - RAILS=3-2-stable DB=postgres
-
-  - RAILS=3-1-stable DB=sqlite
-  - RAILS=3-1-stable DB=mysql
-  - RAILS=3-1-stable DB=postgres
-
-matrix:
-  exclude:
-    - rvm: 2.1.10
-      env: RAILS=5-2-stable DB=sqlite3
-    - rvm: 2.1.10
-      env: RAILS=5-2-stable DB=mysql
-    - rvm: 2.1.10
-      env: RAILS=5-2-stable DB=postgres
-
-    - rvm: 2.1.10
-      env: RAILS=5-0-stable DB=sqlite3
-    - rvm: 2.1.10
-      env: RAILS=5-0-stable DB=mysql
-    - rvm: 2.1.10
-      env: RAILS=5-0-stable DB=postgres
-
-    - rvm: 2.0
-      env: RAILS=5-2-stable DB=sqlite3
-    - rvm: 2.0
-      env: RAILS=5-2-stable DB=mysql
-    - rvm: 2.0
-      env: RAILS=5-2-stable DB=postgres
-
-    - rvm: 2.0
-      env: RAILS=5-0-stable DB=sqlite3
-    - rvm: 2.0
-      env: RAILS=5-0-stable DB=mysql
-    - rvm: 2.0
-      env: RAILS=5-0-stable DB=postgres
-
-    - rvm: 2.0
-      env: RAILS=4-2-stable DB=sqlite3
-    - rvm: 2.0
-      env: RAILS=4-2-stable DB=mysql
-    - rvm: 2.0
-      env: RAILS=4-2-stable DB=postgres
-
-  include:
-    - rvm: 2.3.3
-      env: RAILS=master DB=sqlite3
-    - rvm: 2.3.3
-      env: RAILS=master DB=mysql
-    - rvm: 2.3.3
-      env: RAILS=master DB=postgres
-
-    - rvm: 2.2.6
-      env: RAILS=master DB=sqlite3
-    - rvm: 2.2.6
-      env: RAILS=master DB=mysql
-    - rvm: 2.2.6
-      env: RAILS=master DB=postgres
-
-  allow_failures:
-    - env: RAILS=master DB=sqlite3
-    - env: RAILS=master DB=mysql
-    - env: RAILS=master DB=postgres
-
 before_script:
   - mysql -e 'create database ransack collate utf8_general_ci;'
   - mysql -e 'use ransack;show variables like "%character%";show variables like "%collation%";'