CRM-18854 [needs-review] Added support for recurring contributions for online pledges...

CRM-18854 [needs-review] Added support for recurring contributions for online pledges (#8558)

* MISC-110 Added pledge start date for pledge block

* MISC-110 Added pledge start date to online contribution form

* MISC-110 Added recur record for pledge

* MISC-110 Added changes suggested by Eileen

* MISC-110 Added upgrade code for pledge_start_date

* MISC-110 Added unit test for createRecur function

* MISC-110 Removed use of form and set payment instrument id

* MISC-110 Added webtest for Pledge Recurring contribution

* MISC-110 Removed unfinished unit test

* MISC-110 Resolved Jenkins errors

* MISC-110 Added apiSuccess assertion

* MISC-110 Added changes from UP-3

* MISC-113 Added UI for frontend and set defaults

* MISC-113 Bug fixes and improvements

* MISC-113 Added date fields for start date on online contribution form

* MISC-113 Added fields in payment processor table

* MISC-113 Added processing for start date

* MISC-110 Added changes to set contribution receive date for future payments

* MISC-110 Typo error fixes

* MISC-110 Added future start date to payment processor

MISC-113 Added JS for adjust recurring start date

MISC-110 Added future start date values on install

MISC-113 Added script on install and upgrade

MISC-110 Added form rule for pledge start date

MISC-110 Removed explicit create of recur record

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MISC-113 Added unit test

MISC-113 Removed old webtest

MISC-113 Resolved jenkins errors

MISC-110 Style changes

MISC-113 Allowed NULL values for future start date

MISC-110 Removed future_start_date field from payment processor

MISC-110 Removed future_start_date field from data

* MISC-113 Changed serialize to json_encode

MISC-113 Jenkins style fixes

* MISC-113 Bug fixes for start date

* MISC-113 Added unit test for contribution page submit with pledge with future start date

MISC-110 Bug fix

* MISC-113 Added id = 0 instead of pay_later text

* MISC-110 Refactored assignment of contributionRecurID

Conflicts:
	CRM/Contribute/BAO/Contribution/Utils.php

* MISC-113 Handled issue with membership recur payments

* MISC-110 Added upgrade script to 4.7.10