Some Renaming. Creation of tools dir.

Moving and renaming install_fish.sh to travis_install_fish

Moving travis_* from tests to tools.

rename: fish_user_function/ -> functions_override/

renaming travis_test.fish to test_runner.fish

.travis.yml

@@ -19,14 +19,14 @@ env:
     - OMF_REPO_BRANCH="$TRAVIS_BRANCH"
 
 before_install:
-  - tests/install_fish.sh
-  - fish -c 'ln -sf $TRAVIS_BUILD_DIR/tests/fish_user_function $fish_function_path[1]'
+  - tools/travis_install_fish.sh
+  - fish -c 'ln -sf $TRAVIS_BUILD_DIR/tests/functions_override $fish_function_path[1]'
 
 before_script: pwd; tree -h
 
 script:
-  - /bin/sh tests/travis_install_omf.sh
-  - tests/travis_tests.fish
+  - /bin/sh tools/travis_install_omf.sh
+  - tests/test_runner.fish
 
 after_script:
   - cd ~/.config/fish; tree -h; find . -type f | xargs cat