2.0.0-RC2

migration:
- apply src/main/resources/database/migrate_2.0.sql
- drop support for certificate authentication
- not compliant with smsu < 2 nor smsu-api-admin < 2

brokers:
- handle broker smsenvoi.com (with new feature "senderlabel")

configuration:
- use MySQL5InnoDBDialect instead of MySQLInnoDBDialect (otherwise hbm2ddl leads to invalid DDL on mysql 5)
- broker.xml need editing together with config.properties :-(
- removed defaults*.properties (for simplicity, only config.properties)

web-service:
- removed SOAP web-service
- answers on "/" instead of "/rest"
- added missing actions on simple GET web-service
- sendSms : if no id is given, it now gets automatically an id
- sendSms : return json objects with msg id
- sendSms : implement sending to many "phoneNumber"s
- mayCreateAccountCheckQuotaOk : return json object
- on error, return a json object { error: "xxx", message: "xxx" } instead of a string
- do not wrongly urldecode twice parameters

various:
- do NOT purge "statistics" anymore (there is no reason to clean this table!)
- added HttpRequestSmsuapiWS to help use of smsuapi from java
- publish org.esup-portail:esup-smsu-api on maven central (for use in smsu, smsu-api-admin or others)
- switch to apache licence v2.0 (esup-portail now follows jasig choice)
- many cleanup