Merge pull request #17 from TexasSteve99/master

Added support for summary and groupingsummary features
Merge pull request #18 from TexasSteve99/master

Added support for server generated summaries and MetaData styling.
Update Printer.js
Merge pull request #22 from aksndr/master

Update Printer.js
Merge pull request #19 from TexasSteve99/master

Fix actioncolumn bug on grouped grids.
Support for tree grids
Support for tree grids
Merge pull request #23 from jcdang/master

Added Tree Grids
Merge pull request #1 from loiane/master

Updates from loiane