the tips, enable random sequence of tips on each startup.
* src/data/tips.xml: Merge with old tips.
* src/data/tips.xml: Format the tips collection.
* src/data/tips.xml: Add huge collection of tips.
svn: r3586
* src/data/tips.xml: tip data
* src/TipOfDay.py: support for tip of the day
* src/gramps_main.py: support for tip of the day
* src/const.py: support for tip of the day
* src/gramps.glade: support for tip of the day
svn: r3178