Update versions in readme

Readme.md

@@ -2,7 +2,7 @@
 
 [![Build Status](https://travis-ci.org/asascience-open/ncSOS.png?branch=master)](https://travis-ci.org/asascience-open/ncSOS)
 
-Stable version: **v1.2.1** for THREDDS version 4.5
+Stable version: **v1.4.1** for THREDDS version 4.5+
 
 Stable version: **v1.1.1** for all other THREDDS versions
 
@@ -11,7 +11,7 @@ NcSOS adds an OGC SOS service to datasets in your existing [THREDDS](http://www.
 NcSOS acts like other THREDDS services (such an OPeNDAP and WMS) where as there are individual service endpoints for each dataset.  It is best to aggregate your files and enable the NcSOS service on top of the aggregation.  i.e. The NcML aggregate of hourly files from an individual station would be a good candidate to serve with NcSOS.  Serving the individual hourly files with NcSOS would not be as beneficial.
 
 _You will need a working THREDDS installation of at least version **4.3.16** to run NcSOS v1.1.1 or ealrier_
-_You will need a working THREDDS installation of at least version **4.5** to run NcSOS v1.2.1_
+_You will need a working THREDDS installation of at least version **4.5** to run NcSOS v1.4.1_
 
 # Quick Links
 1. *Mailing list*: https://groups.google.com/forum/#!forum/ncsos
@@ -25,9 +25,14 @@ _You will need a working THREDDS installation of at least version **4.5** to run
 | ------------- | ---------------------- | ----------------------------------------------- |
 | [v1.1.1](https://github.com/asascience-open/ncSOS/releases/tag/v1.1.1) (release)           | 4.3.20 (20131125.1409) | http://sos.maracoos.org/stable/catalog.html     |
 | [master](https://github.com/asascience-open/ncSOS/tree/master)  (branch)      | 4.6.3 | http://sos.maracoos.org/pre/catalog.html        |
-| [v1.2.1](https://github.com/asascience-open/ncSOS/releases/tag/v1.2.1)  (release)   | 4.5.4 (20141008.1804) | http://sos.maracoos.org/dev/catalog.html        |
+| [v1.4.1](https://github.com/asascience-open/ncSOS/releases/tag/v1.4.1)  (release)   | 4.5.4 (20141008.1804) | http://sos.maracoos.org/dev/catalog.html        |
 
 ## ChangeLog
+### v1.4.1
+* Added response formats to return data in CSV or JSON
+* Get observations for GRID feature type when latitude/longitude is specified
+* Addresses all issue from Milestone 1.4 
+
 ### v1.2.1 / v1.1.1
 * Fixes an issue with attributes not being set correctly in the Describe Sensor response - see issue #171