Issue #10596: Name rule is too uncritical

HTML: Replace tags with "<>" instead of stripping them.
HTML: Collapse whitespace except inside of comments.
Name rule: Don't allow overlapping names.
Name rule: Don't allow names to span newlines.
Issue 10819: Set permissions on var directory/files to be only owner/group readable using umask.
Set up basic XML-RPC infrastructure.
Model changes in place, starting to take shape.
Most of the infrastructure is now in place.
Now everything should be fine as soon as scans are synchronous.
Accidentally commited swap files.
Feature #10608: Linkchecker.
Feature #10608 (cont.): Fix link in email report to link to non-full version of report.
Made buttons for delete functions
Ticket 10670: Remove text from scanner confirm dialog
Merge branch 'feature/tokes_changes' into development
Merge branch 'feature/tokes_changes' into feature/10832_ui_fixes
Merge branch 'feature/10608_link_checker' into feature/10832_ui_fixes
Merge branch 'feature/10819_permissions' into feature/10832_ui_fixes
Fix problem when broken link has no referrers (e.g. start URL).
Opgave #10833: WIP implementation of last-modified check.
Merge branch 'feature/10608_link_checker' into feature/10833_last_modified_check

Conflicts:
	scrapy-webscanner/scanner/spiders/scanner_spider.py
Rearranged checkboxes in rules tab of domain form
Last-modified check: database storage of last-modified dates.