Renamed "org.unitsofmeasure" to "org.unitsofmeasurement" in POM description and README

Closes #5.

Author: Steve Kingsland

README.md

@@ -1,7 +1,7 @@
 jackson-module-unitsofmeasure
 =============================
 
-Contains custom serializers and deserializers for org.unitsofmeasure classes.
+Contains custom serializers and deserializers for org.unitsofmeasurement classes.
 
 This was built with a custom `5.0-opower` version of JScience, which is provided in a local Maven repository, located in the
 `/repo` sub-directory of this artifact. It was built from JScience version `r65` (from 2011-10-27), because as of 2013-11-05

pom.xml

@@ -11,7 +11,7 @@
     <version>1.1.0</version>
 
     <name>Jackson Unit of Measure Module</name>
-    <description>Contains custom serializers and deserializers for org.unitsofmeasure classes.</description>
+    <description>Contains custom serializers and deserializers for org.unitsofmeasurement classes.</description>
 
     <repositories>
         <repository>