Adds facebook login

.gitignore

@@ -1,3 +1,5 @@
+.env
+
 # OSX
 #
 .DS_Store

client/components/Login.js

@@ -0,0 +1,67 @@
+import FBSDK from 'react-native-fbsdk'
+import React, { Component } from 'react'
+import {
+  View  
+} from 'react-native'
+import axios from 'axios'
+
+const {
+  LoginButton,
+  AccessToken
+} = FBSDK
+
+export default class FBlogin extends Component {
+  constructor(props) {
+    super(props)
+
+    this.finishedLogin = this.finishedLogin.bind(this) //***dc
+  }
+
+  finishedLogin(err, res) {
+    if (err) {
+      console.log('ERROR Facebook login failed: ', err)
+    } else if (res.isCancelled) {
+      console.log("Facebook login cancelled by user")
+    } else {
+      console.log("Facebook login was successful with permissions: ", res.grantedPermissions)
+
+      AccessToken.getCurrentAccesToken()
+        .then(data => {
+          axios.post('/login/auth', //Will likely need to revisit
+            {
+              headers: {
+                'Accept': 'application/json',
+                'Content-Type': 'application/json',
+              },
+              body: {
+                fbAccessToken: data.accessToken
+              }
+            }
+          ) 
+        })
+        .then(response => response.json())
+        .then(data => this.props.setUser(data)) //Will likely need to revisit
+        .catch(err => console.log)
+    }
+  }
+
+  finishedLogout(err, res) {
+    this.props.logOut() //Will likely need to revisit
+  }
+
+  render() {
+    return (
+      <View>
+        <LoginButton
+        readPermissions={["public_profile emial"]}
+        onLoginFinished={this.finishedLogin}
+        onLogoutFinished={this.finishedLogout}/>
+      </View>
+    )
+  }
+
+}
+
+  //TO DO: under error console.log, create custom pop ups for errors instead of alerts.
+  //
+  //  test granted permissions find out how to edit 'LoginButton'

package.json

@@ -11,9 +11,13 @@
 		"react-native": "0.40.0"
 	},
 	"devDependencies": {
+		"axios": "0.15.3",
 		"babel-jest": "18.0.0",
 		"babel-preset-react-native": "1.9.1",
 		"jest": "18.1.0",
+		"react": "~15.3.2",
+    "react-native": "0.36.1",
+		"react-native-fbsdk": "^0.4.0",
 		"react-test-renderer": "~15.4.0-rc.4"
 	},
 	"jest": {