Redmine

Removes unused projects_count column from projects table.

Merged nested projects branch. Removes limit on subproject nesting (#594).

Fixes 103_set_custom_fields_editable migration from r2276 (#2526).

User custom fields can now be set as editable so that users can edit them on 'My account'.
For existing user custom fields, this new attribute is set to false by default to preserve the prior behaviour (it can turned on by editing the custom field in admin area)....

Maps repository users to Redmine users (#1383).
Users with same username or email are automatically mapped. Mapping can be manually adjusted in repository settings. Multiple usernames can be mapped to the same Redmine user.

Adds 'Delete wiki pages attachments' permission.

Typo in migration 97 name (#1929).

Adds watch/unwatch functionality at forum topic level (#1912).
Users who create/reply a topic are automatically added as watchers but are now able to unwatch the topic.

Adds a permission 'view wiki edits' so that wiki history can be hidden to certain users (#1154).
A migration automatically adds this permission to roles that were allowed to view wiki pages.

Merged nbc branch @ r1812 (commit access permission and reposman improvements).