moving local utils from /htdocs/util-local to /local
Merge pull request #88 from christian-m/move_utils_from_htdocs_to_local

moving local utils from /htdocs/util-local to /local
changed style and text of email-problems message
Merge branch 'stable'
added email-problems flag in mailto html code
Merge branch 'stable'
documented modification date fields
migrated code into lib2, put parts in existing classes, migrated template and included external parts into template, some bugfixes, updates #206
fixed mentioned bugs, updates #206
added masslog warning from following, updates #217, updates #206
optimized log to oc2
bugfixes (cachelink translatable, logtype via GET, permission check for
teamcomment), updates #206, updates #241