Avoid fs.statSync unless env.syncImports is specified.
Fixes #1619
A better solution for fixing #1619
Merge pull request #1658 from joshuaspence/master

Fixes #1619
Merge branch 'avoidStatSync' of https://github.com/papandreou/less.js
revert to env.syncImport
update readme
update bower version
added sourceMappingURL option
rename the sourcemappingurl to sourcemapurl, add to bin/lessc and adjust to not normalize
correct the sourcemap url option
1.5.1 release