added in more observations features and fixed a couple of links
tabs were not tabbing, not sure why ui-tabs-hide is not set
Merge branch 'weatherblur' of github.com:NBTSolutions/Elgg into weatherblur
new obs stuff
Merge branch 'weatherblur' of github.com:NBTSolutions/Elgg into weatherblur
added in observation link
improved some links and date display on obs page
updated people listing page
Merge branch 'people' into weatherblur
added sort by username - ugly SQL required
add filtering to people page
Merge branch 'weatherblur' of github.com:noelmiciano/Elgg into weatherblur