task page counter now 0-based
mods to event schema based on derrick email; initial specs and validations for events
defined Task#log wrapper for logging events
Updated README.rdoc section on logging
Added logging to TasksController methods, and expanded Cuke task-related
scenarios to check for log entries
Moved task-related steps from static_steps and page_steps into
task_steps
static_steps is now javascript_steps since it will be used for steps
related to checking JS functionality
page_steps was empty and was removed