Expand only the tasks/subtasks added.

Conflicts:
	You-GUI/main_window.h
	You-GUI/task_panel_manager.cpp
Removed comments.
Preparation for logging

- include boost/format to stdafx.h
- LOG_CATEGORYs
Logging Internal DataStore
FILE_PATH is now a char instead of string
Remove constants, prepend the DS log category to the local log category
Update exclusions.h
Forget to put author tag
Lint
Add start date
Updated display.
Changed function name to getReadableDateTime
Displays start date and time, and end date and time. Cleaned up display format.
Swapped numbering
Added hidden attachment column.
Fixed to type&
Lints
Merge pull request #340 from angathorion/expand-subtasks

Expand only the tasks/subtasks added.
Merge pull request #374 from digawp/logging

DataStore Logging
Merge pull request #375 from angathorion/display-start-date

Display start date