Fix/51068 block direct updates before 16Q1

Add update blocker when updating from <16Q1

Buildvalidation running until <16Q1 Marked in src-core as to be run before other buildvalidations Raising error showing

[java] 1438 [main] ERROR org.openbravo.buildvalidation.BuildValidationHandler - Since version 23Q1 direct updates from releases older than 16Q1 are no longer possible. [java] More information on how to still update in this case: http://wiki.openbravo.com/wiki/RestrictOldDirectUpdates

• wiki page created with some information for the user and explaining briefly how to still update
• That page also documents a 2nd case:
  • 41801 about aprm upgrade<18Q4 only which is in place since 18Q4 (without a blocker added back then)
  • Code does not check for this one as nearly no 2.50 instance are still alive, so just documentation.

try

• https://builds.openbravo.com/view/try/job/try-init/1862