Enhance specimens
New: Can send email to warn when payment for subscription is payed.
Fix: syntax error
Missing space
New: Enhance agenda module to reach RFC2445 (add busy information).
Trans: For peru, IVA is IGV
New: Add local and vat rate for peru
Fix: Remove warnings
Fix: Can't reset payment due date
Fix: [ bug #787 ] Invoice supplier box incorrect tooltip when delay on
payment
Merge branch 'develop' of https://github.com/Dolibarr/dolibarr.git into
develop_orderextrafield

Conflicts:
	htdocs/install/mysql/migration/3.3.0-3.4.0.sql

Change-Id: I91fe24831dca9e1d9e6b09f85dd4b7bd37bd638e