Revert "OBMFULL-6194 No error when deleting an occurence from detailsupdate screen."

This reverts commit a5cc5af1fdf8298331ef71335246c14ac27cd3e6.
Revert "OBMFULL-6194 All day negative exceptions correctly hidden across timezones in the UI."

This reverts commit 5ece46b94da7a8189b7bf95a29e77194aee8dca1.
Revert "OBMFULL-6194 Fixed EXDATEs dates in database"

This reverts commit a21aaa481190b59ca24e1f19ba4e1706e9d59dd9.
Revert "OBMFULL-6194 Correct repeat end in ICS exports"

This reverts commit 0c5205ac9cd1deeb222d6205f2a33a019222cd93.
Revert "OBMFULL-6164 Fix calendar portlet"

This reverts commit c4feae3de134a507f553f856130ac0b04805601a.
Revert "OBMFULL-6164 Correct allday anonymous occurrences."

This reverts commit cc33da389f13dcb04a0d66cd38800da1f1bc1886.
Revert "OBMFULL-6164 Force view reset when updating timezone."

This reverts commit da743980952f1527b766af2268b63b5b96f0bf05.
Revert "OBMFULL-6164 Force UTC when selecting events."

This reverts commit 6bb9d908b962b367f6c7695d4b43dc5c0efa3766.
Revert "OBMFULL-6164 Adds timezone to SELECT."

This reverts commit 92657ebef4caa8ca880939e52c8a39b76ce5e9f2.
Revert "OBMFULL-6164 Enforces UTC upon update/insert in calendar."

This reverts commit f71956707ee2dcf562cc03f9fbae4050c6fdeb9f.
Revert "OBMFULL-6164 Add timezone in SQL select."

This reverts commit c15fd8a2661b7f32f9840d62ca71361bde9f55f9.
Revert "OBMFULL-6164 Forces UTC for quick insert events."

This reverts commit 84aebca71cb7c9865faebec6c8c51feccf90c478.
Revert "OBMFULL-6164 Correct allday anonymous occurrences."

This reverts commit 37e1402a17790cf26867b97453052d70b44c3510.
Revert "OBMFULL-6164 Correct event allday date normalization."

This reverts commit 2402f6b78300697fcc3110a53bafb402b2b7645f.
Revert "OBMFULL-6164 Side-effect-free Of_date->toString()."

This reverts commit 53ffb794ad5d7994ef30260b25430928063a32fb.
Revert "OBMFULL-6164 Computes the start date of an all day event correctly."

This reverts commit 86f6ef8796cab61e4583bb72465f5e753f82cdea.
Revert "OBMFULL-6164 Adds Of_Date::createFromFormat."

This reverts commit 21e707992203a3ec9d562951b62b8f74f326fe99.