Revert "OBMFULL-5876 Migrates to assertj."

This reverts commit d4dca17347fbb38d73f17581534bf9cecd7fe061.
Revert "OBMFULL-5876 Fix OBMFULL-2940 test."

This reverts commit 8f658aef43f902701bc970796f1bb5ea817e2e4e.
Revert "OBMFULL-5876 Ensure invalid rules throw exceptions, add tests."

This reverts commit b675dc1b256e6b0a81bd3d0f0f68efc966e85219.
Revert "OBMFULL-5876 Ical4jHelper returns rejected ICS too."

This reverts commit fb69eaeab73d0acaf27b30d594880b4294e134b7.
Revert "OBMFULL-5876 Handle ICS COUNT property when importing an ICS."

This reverts commit e8b48214dcfec52f7dd674c66add4db2186cbb42.
Revert "OBMFULL-5876 Moves RecurrenceKind computation to its own method."

This reverts commit ed9d8cb8bb00ded3420fc0879de7127eba5aa244.
Revert "OBMFULL-5876 RecurrenceKind computation refactor."

This reverts commit 25d2d35709bb86bfa854b3d1f7489c0bee37183b.
OBMFULL-4769 fix useless confirm in storeContact
OBMFULL-5944 Fixes Display of allDay event conflict.
OBMFULL-6082 return a value != 0 when obm-locator is not running