add sum() finder functionality to DAOFactory
create sum() finder example
add tests
oops. fix the sum fn
Merge pull request #1271 from schonfeld/add-sum-decorator

Sum() Finder Functionality
npm ignore coverage directories

There's currently a `coverage-sqlite` folder in the release on npm.
Merge pull request #1274 from bencevans/patch-1

npm ignore coverage directories
Update to node-mysql 2.0.1. Fix for #1226
allow setImmediate and clearImmediate as globals
rework setImmediate
Implement .spread in custom event emitter
Pesky semicolons
Merge pull request #1277 from janmeier/promiseSpread

Implement .spread in custom event emitter
Update changelog.md
test bad db connection details throws error
Optional array argument of table names to skip

dropAllTables now accepts optional array argument of tables names
to skip dropping these tables

implementation for sequelize/sequelize#1270
dropAllTables now accepts an options object

If this object contains a propert called `skip` that is an array,
then all table names in this array wont be dropped
use triple equals
Merge pull request #1280 from bulkan/feature/skip_tables_dropAllTables

Optional array argument of table names to skip
Update changelog.md