Corrects typos "coearse," "proejct," and "unecrypts"

Misspelling of "coerce" found in the docstring body
of method _boot from class ServerManager. Misspellings
of "project" and "unencrypts" found in docstrings
of client.py and crypto.py.

Change-Id: I052c321f3ad5e13aa57a559e2f28ec5eec32a9b4
Merge "Corrects typos "coearse," "proejct," and "unecrypts""