link to term page site

- changed synchronous to asynchronus AJAX in term data JS and using complete variable instead to ensure consistent data (because of IE problems)
- fixed deleting of related
- fixed loading next siblings and hiding of term operation for last

- added merging history
- replaced default taxonomy/term path
- fixes in hook_menu
- fixed validation for merging

updated docs for php and js, updated term weighting (arrow appearance), fixed bug in merging (parent 0), fixed minor css bug

added of various functionality like merging of terms, moving of terms in hierarchies, confirmation for deleting