change database schema to use local ids instead of Salesforce id for references
synchro ok for Accounts/Contacts/VRs
sync from server first on first connection
rename Visitreport.java
fix bug on VR creation
fix bug on VR creation
fix bug on VR creation
remove useless methods in models and fix a bug with contacts related to an account
Merge branch 'master' into schema-db

Conflicts:
	src/com/capgemini/salesforceapp/model/Model.java
	src/com/capgemini/salesforceapp/ui/fragment/AccountDetailsFragment.java
	src/com/capgemini/salesforceapp/ui/fragment/CreateAccountFragment.java
	src/com/capgemini/salesforceapp/ui/fragment/CreateContactFragment.java
	src/com/capgemini/salesforceapp/ui/fragment/UpdateAccountFragment.java
	src/com/capgemini/salesforceapp/ui/fragment/UpdateContactFragment.java
	src/com/capgemini/salesforceapp/ui/fragment/UpdateEventFragment.java
	src/com/capgemini/salesforceapp/ui/fragment/UpdateVisitReportFragment.java
	src/com/capgemini/salesforceapp/ui/fragment/VisitReportDetailsFragment.java