corrected code example

I don't think `addAssets` is a method
Set up travis and add some fancy badges in README
Merge pull request #118 from slang800/patch-1

corrected code example
Switch transforms/splitCssIfIeLimitIsReached to emit 'info' instead of 'warn'
Relation: Report the containing asset when warning about a wildcard relation that expanded to nothing.
Added HtmlImport relation
Added test case for HtmlImport relation
Merge pull request #123 from Munter/htmlimports

Model HTML imports
Added HtmlTemplate relation
Added HtmlTemplate-test
Add support for having 'exports' and 'module' arguments optional in requirejs commonjs compatibility syntax
Merge pull request #126 from Munter/htmltemplate

Htmltemplate implementation
Merge pull request #125 from Munter/commonjsrequire_optionalargs

Optionalarguments in requirejs commonjs comatible syntax
Fixed this._isRelationUrl error with when populating HtmlApplet relations.
flattenStaticIncludes: Also add <link rel="stylesheet" href=...> tags pointing at .less files to the HTML.
Update jsdom to 0.8.7.
Merge pull request #121 from Munter/emitInfo

Introduce new 'info' warning level.
flattenRequireJs: Inject a require statement if the module pointed to by a data-main attribute doesn't contain one.

Fixes: #127
Release 1.6.0beta24.
package.json: Indent with 2 spaces.