LDM tagcloud plug-in.

Generates tagcloud

Similar to the vbAdvanced module, except places the tagcloud within the main LDM displays

Parameters controlling the tagcloud are set via the LDM admin/settings page:
- Extra active/inactive
- Number of entries to show in total (default 10)
- Logarithmic scaling (default yes)
- Minimum fontsize (default 10px)
- Maximum fontsize (default 36px)
- Scale by hits (default no)
