update pom.xml to include description, url, developers for maven release
update pom.xml to include description, url, developers for maven release

iambmelt/azure-activedirectory-library-for-android,iambmelt/azure-activedirectory-library-for-android,AzureAD/azure-activedirectory-library-for-android,AzureAD/azure-activedirectory-library-for-android,thewulf7/adal-extended,w9jds/azure-activedirectory-library-for-android,thewulf7/adal-extended,w9jds/azure-activedirectory-library-for-android