NPM install is not a git repo

[drkno]

Steps to reproduce:

npm install concierge-bot -g
concierge
...
Concierge> /kpm install update
Concierge> /update

Expected outcome:
Concierge will update itself.

Actual outcome:

error: "/update" (update) threw up. TESTING is now covered in sick.
error: Error: Command failed: "git" "pull"
fatal: Not a git repository (or any of the parent directories): .git

    at checkExecSyncError (child_process.js:481:13)
    at execSync (child_process.js:521:13)
    at commandWithPath (C:\Users\Matthew\AppData\Roaming\npm\node_modules\concierge-bot\core\common\git.js:19:22)
    at command (C:\Users\Matthew\AppData\Roaming\npm\node_modules\concierge-bot\core\common\git.js:33:5)
    at Object.exports.pull (C:\Users\Matthew\AppData\Roaming\npm\node_modules\concierge-bot\core\common\git.js:37:5)
    at Object.exports.run (C:\Users\Matthew\Desktop\hubot\update\update.js:109:9)
    at Platform._middlewareRunner (C:\Users\Matthew\AppData\Roaming\npm\node_modules\concierge-bot\core\common\middleware.js:36:33)
    at Platform.runMiddlewareSync (C:\Users\Matthew\AppData\Roaming\npm\node_modules\concierge-bot\core\common\middleware.js:73:25)
    at Platform._handleTransaction (C:\Users\Matthew\AppData\Roaming\npm\node_modules\concierge-bot\core\platform.js:65:52)
    at Platform._handleMessage (C:\Users\Matthew\AppData\Roaming\npm\node_modules\concierge-bot\core\platform.js:98:51)
    at Platform._middlewareRunner (C:\Users\Matthew\AppData\Roaming\npm\node_modules\concierge-bot\core\common\middleware.js:36:33)
    at Platform.runMiddleware (C:\Users\Matthew\AppData\Roaming\npm\node_modules\concierge-bot\core\common\middleware.js:61:18)
    at Platform.onMessage (C:\Users\Matthew\AppData\Roaming\npm\node_modules\concierge-bot\core\platform.js:114:18)
    at TestIntegration._receivedCallback (C:\Users\Matthew\AppData\Roaming\npm\node_modules\concierge-bot\core\modules\modules.js:245:21)
    at TestIntegration._commandAny (C:\Users\Matthew\Desktop\hubot\test\test.js:81:18)
    at Cli.parse (C:\Users\Matthew\Desktop\hubot\test\node_modules\cline\index.js:320:35)
    at Cli.<anonymous> (C:\Users\Matthew\Desktop\hubot\test\node_modules\cline\index.js:182:18)
    at Cli.defaultFn (C:\Users\Matthew\Desktop\hubot\test\node_modules\cline\index.js:53:13)
    at Cli.fn (C:\Users\Matthew\Desktop\hubot\test\node_modules\cline\index.js:217:23)
    at Interface.<anonymous> (C:\Users\Matthew\Desktop\hubot\test\node_modules\cline\index.js:148:18)
    at emitOne (events.js:96:13)
    at Interface.emit (events.js:191:7)
    at Interface._onLine (readline.js:241:10)
    at Interface._line (readline.js:590:8)
    at Interface._ttyWrite (readline.js:869:14)
    at ReadStream.onkeypress (readline.js:120:10)
    at emitTwo (events.js:106:13)
    at ReadStream.emit (events.js:194:7)
    at emitKeys (internal/readline.js:402:14)
    at emitKeys.next (<anonymous>:null:null)
    at ReadStream.onData (readline.js:980:36)
    at emitOne (events.js:96:13)
    at ReadStream.emit (events.js:191:7)
    at readableAddChunk (_stream_readable.js:178:18)
    at ReadStream.Readable.push (_stream_readable.js:136:10)
    at TTY.onread (net.js:560:20)