Bug fixes

Some settings in wrong place. Page per letter caused some problems for some people.

Fix fatal error in installer.

fixed install code

fix group context on some comment urls ... tweak help text on admin/og/og page.

* Fixed wrong menu paths introduced in 6.X-1.0
* Fixed one warning when trying to use empty array

Prior two beta releases were full of problems due to miscommunication between developers. Beta3 should actually work. I've tested it :)

Additional changes in this version:

* FIXED: Extra "select all rows" checkboxes added when no action selected (http://drupal.org/node/200277)
* CHANGED: Exception handling when invoking a VBO with no operations selected
* CHANGED: Tab named "Operations" instead of "Bulk"