updates resize.js
refactoring
updates helper.js tests
removed step completely
updated tests
update helper.js
refactor resize.js
moved test to spec
updates too much to say
remove lib/helper.js
updates
asd asd
add grunt
updates
add grunt watch task
fix bug where gravity option 'c' failed
add isAlreadyCached() incl. tests
Merge branch 'dev/wo_step' of github.com:tbasse/resize-server into dev/wo_step

Conflicts:
	lib/resize.js
	package.json
	spec/resize.js
add validateRemoteSource()
update Spec.md