Files rename

Rename package folder from 'iomanager' to 'ioprocess'. Rename
'ioprocess' module to 'iomanager'.
Fix import statements

Replace 'ioprocess' with 'iomanager' in all import statements.

Replace all references to 'ioprocess' in code with 'iomanager.

Replace email address 'python.ioprocess@gmail.com' with
'python.iomanager@gmail.com' everywhere.

Update 'setup.py' with correct project information.
README, LICENSE

Update README.txt.

Justify lines at 80 characters in LICENSE.txt.
Merge branch 'dev/package-rename' into develop
Update version number
Merge branch 'release-0.2.2'