Explicitly targets the docs folder for generating docs
Merge pull request #444 from carsondarling/master

Explicitly target ./docs folder for generate-docs script.
#444
added google groups
Use env dialect for migrator and sequelize spec tests.
Make tests pass for postgresql by quoting table column names with uppercases.  Also skip stored procedure unless mysql.
only double quote table names for postgres
Merge pull request #432 from clkao/patch-3

get dialect from env when not specified
avoid unnecessary loading of path
Do not assume process, so the module can be loaded into plv8
Include SqlString from mysql and do not depend on the mysql package.
delay migrator loading
move mysql into devDependencies so travis can pick it up
bump validator to 0.4.x, as 0.3 requires node-specific net module
warning message when mysql dialect is loaded without mysql module installed