added pikaday as a dependency
stored the "format" option in a field property called "formatString"
added the new "field" component
fixed formatting
removed unused vars
more code formatting fixes
replaced ._formatString with .formatString property
setting defaultFormat in getDefaultProps(), removing noEditFormat
replacing closure reference to this with .bind(this)
Merge pull request #559 from JohnnyEstilles/field-type-date

Adding date type react component