Initial commit of putty

Summary: Initial commit of putty. Solves T4105

Test Plan: Connected to different SSH sites.

Reviewers: Triage Team, JoshStrobl, DataDrake

Reviewed By: Triage Team, DataDrake

Subscribers: DataDrake, JoshStrobl

Maniphest Tasks: T4105

Differential Revision: https://dev.solus-project.com/D2537