Add full Travis test matrix for Emacs versions and tests

Author: Tianxiang Xiong

.travis.yml

@@ -2,11 +2,17 @@ sudo: false
 language: emacs-lisp
 env:
   - EMACS_BINARY=emacs-24.4-travis MAKE_TEST=test
+  - EMACS_BINARY=emacs-24.4-travis MAKE_TEST=test-bytecomp
+  - EMACS_BINARY=emacs-24.4-travis MAKE_TEST=test-checks
   - EMACS_BINARY=emacs-24.5-travis MAKE_TEST=test
+  - EMACS_BINARY=emacs-24.5-travis MAKE_TEST=test-bytecomp
+  - EMACS_BINARY=emacs-24.5-travis MAKE_TEST=test-checks
   - EMACS_BINARY=emacs-25.1-travis MAKE_TEST=test
+  - EMACS_BINARY=emacs-25.1-travis MAKE_TEST=test-bytecomp
+  - EMACS_BINARY=emacs-25.1-travis MAKE_TEST=test-checks
   - EMACS_BINARY=emacs-git-snapshot-travis MAKE_TEST=test
-  - MAKE_TEST=test-bytecomp EMACS_BINARY=emacs-25.1-travis
-  - MAKE_TEST=test-checks EMACS_BINARY=emacs-25.1-travis
+  - EMACS_BINARY=emacs-git-snapshot-travis MAKE_TEST=test-bytecomp
+  - EMACS_BINARY=emacs-git-snapshot-travis MAKE_TEST=test-checks
 
 before_script:
   - curl -fsSkL https://gist.github.com/rejeep/ebcd57c3af83b049833b/raw > x.sh && source ./x.sh