core, plugin XEP-0115: discovery refactoring: - hashing algorithm of XEP-0115 has been including in core - our own hash is still calculated by XEP-0115 and can be regenerated with XEP_0115.recalculateHash - old discovery methods have been removed. Now the following methods are used: - hasFeature: tell if a feature is available for an entity - getDiscoInfos: self explaining - getDiscoItems: self explaining - findServiceEntities: return all available items of an entity which given (category, type) - findFeaturesSet: search for a set of features in entity + entity's items all these methods are asynchronous, and manage cache automatically - XEP-0115 manage in a better way hashes, and now use a trigger for presence instead of monkey patch - new FeatureNotFound exception, when we want to do something which is not available - refactored client initialisation sequence, removed client.initialized Deferred - added constant APP_URL - test_plugin_xep_0033.py has been temporarly deactivated, the time to adapt it - lot of cleaning

d660d1e5cee410bf9ac15b89ceb93543bcff0a6f SàT v0.0.2
b95550704b4f965c9dca5f6681186bf8a9b64074 SàT v0.0.3
b778622b87337785252d47d2b3c4fe3085a37ab4 SàT v0.1.0
53aa958a2d3d6451ae75610e3c6fb947d3d6f21b SàT v0.1.1
cc2afb92ab93a4c6399ca9b6cdc5224878a57a24 SàT v0.2.0
df6b9b881f0e9f335483c986b00fd58f2ed6164a SàT v0.3.0
12cfa23c6ab9235dddb2e8887eb0fe90fc98da75 SàT v0.4.0
f93e917be3f41a254a4612da22ed9fc5e0209f80 SàT v0.4.1