Modified all create/save/updateOrCreate to support parameterized queries.  This will eliminate the SQL Injection attack and also provide better handling of data types and nulls.  Moved string concatenations to array push to improve performance.
Merge branch 'master' of github.com:kesavkolla/loopback-connector-postgresql into kesavkolla-master

Conflicts:
	lib/postgresql.js
Merge branch 'kesavkolla-master' into feature/fix-pr-9
Extract property names in _categorizeProperties()
Merge pull request #11 from STRML/master

Use pg.js instead of pg to avoid dependency on native client bindings
Update deps
Merge pull request #10 from strongloop/feature/fix-pr-9

Feature/fix pr 9
Bump version
Merge branch 'release/1.0.4' into production
Merge tag 'v1.0.4'

1.0.4
Update postgresql.js

Fixed small issue in updateOrCreate.  The ids is attribute on props not a function
Merge pull request #12 from kesavkolla/patch-1

Update postgresql.js
Fix comparison for null/boolean values
Merge pull request #13 from strongloop/feature/fix-comparison

Fix comparison for null/boolean values
Use base connector and add update support
Remove leading spaces
Merge pull request #16 from strongloop/feature/add-update

Use base connector and add update support
Bump version
Merge branch 'release/1.1.0' into production
Merge tag 'v1.1.0'

1.1.0