Start upgrade to 5.0.0
system-pear.patch not needed any more (files_encryption app removed)
Up to 5.0.2
Up to 5.0.4
Up to 5.0.5
Up to 5.0.6 (many security fixes)
migrated to apache 2.4
Up to 5.0.7
Revert "migrated to apache 2.4"

This reverts commit fc9336bdb9c269f029acb83b52110adb74945437.
Apache 2.2/2.4 compatible config
Up to 5.0.9
Merge branch 'DEVEL'
Removed not used files