Added release date

CHANGELOG.md

@@ -1,11 +1,11 @@
 # Change Log
 
-## [v1.10.0](https://github.com/gitbrent/pptxgenjs/tree/v1.10.0) (2017-11-??)
+## [v1.10.0](https://github.com/gitbrent/pptxgenjs/tree/v1.10.0) (2017-11-14)
 [Full Changelog](https://github.com/gitbrent/pptxgenjs/compare/v1.9.0...v1.10.0)
 
 **Fixed Bugs:**
 - Fixed bug that was preventing 'chartColorsOpacity' from being anything other than 50 percent. ([gitbrent](https://github.com/gitbrent))
-- The `newPageStartY` option isnt being honored by `addSlidesForTable()` [\#222](https://github.com/gitbrent/PptxGenJS/issues/222) ([shaunvdp](https://github.com/shaunvdp))
+- The `newPageStartY` option is not being honored by `addSlidesForTable()` [\#222](https://github.com/gitbrent/PptxGenJS/issues/222) ([shaunvdp](https://github.com/shaunvdp))
 - Line chart with one series displays broken [\#225](https://github.com/gitbrent/PptxGenJS/issues/225) ([andrei-cs](https://github.com/andrei-cs))
 - The `*AxisLineShow` chart options do not work [\#231](https://github.com/gitbrent/PptxGenJS/pull/231) ([mconlin](https://github.com/mconlin))
 
@@ -14,9 +14,6 @@
 - New Chart option: Legend Text Color [\#233](https://github.com/gitbrent/PptxGenJS/issues/233) ([mconlin](https://github.com/mconlin))
 
 
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 ## [v1.9.0](https://github.com/gitbrent/pptxgenjs/tree/v1.9.0) (2017-10-10)
 [Full Changelog](https://github.com/gitbrent/pptxgenjs/compare/v1.8.0...v1.9.0)