Add Travis CI checking coala

Remove checking of whitespace for JavaScript,
as there are large numbers of errors.
Ignore more vendor and generated files
so that coala-ci is green.

Closes coala#248

.coafile

@@ -1,7 +1,7 @@
 [global]
 bears = coalaBear
 files = **.yml, **.html, **.md, **.js, **.css
-ignore = vendors/**
+ignore = vendors/**, components/**
 
 [linecount]
 files = **.yml, **.html, **.md, **.js
@@ -11,15 +11,17 @@ max_lines_per_file = 600
 
 [spacing]
 bears = SpaceConsistencyBear
-files = **.html, **.css, **.js
+files = **.html, **.css
 ignore = vendors/**, components/**
 use_spaces = True
 
 [html]
 bears = HTMLLintBear
 files = **.html
 htmllint_ignore = optional_tag, protocol, indentation, concerns_separation, capitalization
+ignore = vendors/**, components/**
 
 [yml]
 bears = YAMLLintBear
 files = **.yml
+ignore = vendors/**, components/**

.travis.yml

@@ -0,0 +1,6 @@
+services: docker
+language: generic
+sudo: false
+
+script:
+  - docker run -v=$(pwd):/app --workdir=/app coala/base coala --ci