Began migration guide
Updated path to find zf2 library
 Migration: Run ZF1 and ZF2 in parallel
Migration:
Chapter on namespacing added to migration strategy guide
Example: make ActiveRecords with RowGatewayFeature

The use of a prototype object as a constructor argument to RowGateway
is undocumented and very useful.
Update usage
Updated zend.form.element.date to include format option
Updated zend.form.element.date.time.local to include format option
Updated zend.form.element.date.time to include format option
Updated zend.form.element.time to include format option

Also added note to inform about the usage of the element and helper
with regards to the validation format.
add mvc Identity Plugin
add Identity View Helper
Add Identity View Helper to overview
Rewrite Identity plugin after rebase
add additional info on how to add auth service to service manager
remove alternative method
simplify config example with just an invokable
place 'type' not in 'attributes'
Update unittesting.rst

Fixing typo.
uppercase for first char of 'type' of element