refactor mssql module.  Stricter checking for sqlservr installation, input validation.

increase timout for installation.  SQL Server can take a long time to install

spelling correction.  Install location required an extra \\

path expansion was invalid
Fix dsim link on README
Add Apache 2.0 LICENSE
Fix password complexity requirement.

The service account passwords have been updated to meet Windows default
password security requirements.
Merge branch 'master' of https://github.com/jonmosco/puppetlabs-mssql
revert module version back to original
Merge branch 'refactor'

revert Module version