Export acc js (#4973)

* Export account RPC

* Removing GethDirectory and ParityDirectory

* js export accounts as json

* js export accounts as json

* api - then - catch

* final touches

* pass

* oops

* individual accounts

* refactoring

* refactor one

* refactor one

* refactor two

* some grumble fixes

* file name changes

* constructor

* constructor

* git recognize file name change

* spec and updates

* specs

* one tiny fix

* one tiny fix

* grumbles

* more grumbles

* sliders

* ff

* pointer default

* grumbles

* almost ready

* lots of updates

* accountList

* stupid debuglog

* bug fix

* bug fix

* some more good ol fashioned updates

* filter accounts

* clean

* update spec

* ff

* ff-f

* balances fix