Look for config file in current folder

Look for config file in current dir, not `coa.js`'s dir.

Also remove superfluous `process.cwd()`
Merge pull request #120 from alexeyten/patch-1

Look for config file in current folder
Always traverse all files in the given folder.
deprecate svgo-grunt in favor of grunt-svgmin
do not remove result attribute from filter primitives (fix #122)
plugins/cleanupAttrs: replace newline with space when needed (fix #119)
Merge branch 'dev'
re-enable node-coveralls
v0.3.7
Merge branch 'dev'