[connectors, git] add komea connector for git
[db] bean infos cache for better performance of pojo mapping
[db, schema, tests] remove html output of weaved schema
[connectors,git] add test git repository
Merge branch 'feature/git-connector' into sprint

Conflicts:
	core/komea-events/src/main/java/org/komea/event/model/beans/FlatEvent.java
	settings.gradle
[db, commons] remove a constructor to avoid misuse of factory/storage initialization
[connectors, bugzilla] refactoring for a better maintenability of bugzilla connectors
[connectors, jira] refactoring to increase tests speed