Create base pinmap endpoint

[sellnat77]

Overview

Create the backend endpoint to serve the frontend's pinmap request
endpoint definition is
POST http://backend:port/pins

This will serve as the start of the pinmap endpoint, improvements and changes are expected

Action Items

Request payload example:

{
	"startDate":"2015-01-01",
	"endDate":"2015-12-31",
	"ncList": ["SUNLAND-TUJUNGA NC"],
	"requestTypes":["Homeless Encampment"]
}

Response payload example:

{
    "lastPulled": "NOW",
    "data": [
        {
            "ncname": "SUNLAND-TUJUNGA NC",
            "requesttype": "Homeless Encampment",
            "srnumber": "1-79371671",
            "latitude": 34.2500573562,
            "longitude": -118.285967224,
            "address": "TUJUNGA CANYON BLVD AT PINEWOOD AVE, 91042",
            "createddate": 1449835131
        },
        {
            "ncname": "SUNLAND-TUJUNGA NC",
            "requesttype": "Homeless Encampment",
            "srnumber": "1-75982851",
            "latitude": 34.2480072639,
            "longitude": -118.285966934,
            "address": "PINEWOOD AVE AT FOOTHILL BLVD, 91042",
            "createddate": 1449245408
        },
  ]
}