Add link previous and after to quickly jump to another issue.
Those links are pointing to issue with the same status (open/closed).
With little trick on url we can do the same thing for browse "my issue" and "my watchlist".
Changes with respect to the original patch:
- use Gconf instead of separate table / data scheme
- better form validation for URLs and emails
- no htmlentity-encoded contents in the database (pluf automatically safe-encodes
stuff before it writes out contents into templates)
- add visual separators in the form views to have a distinct view of basic
(important) data and other data which are only displayed in the public profile
- give a hint about the maximum display size of 60x60 px^2 and use max-width and
max-height in the templates to avoid nasty distortions by the browser
- use target=_blank and rel=nofollow on the twitter and website links in the profile
- some whitespace / formatting / code style fixes
IDF_FileUtil and change all occurrences accordingly
* cache /etc/mime.types (or whatever is configured) per request in a static
variable in IDF_FileUtil
* always link directly to the download of attached files in the issues view
and place an additional "view" link only for those attachments which we
recognize as text with our weak criteria (closes issue 575)
