reportFormats and root options
Adds the 'print' option to control Istanbul's console output
bump minor version for release
Gruntfile.js test update
implement noColors, fixes #8
added excludes istanbul parameter,
added mochOption parameter.
added documentation for exclude and mochaOption

Signed-off-by: pachacutec <agustin.march@gmail.com>
istanbulOptions && mochaOptions
Fixed excludes option
bump version