Update the pot.
Merge with revisions 5888-5892,5897,5899-5902,5904-5909,5912.
Merge with revisions 5862-5867,5874-5875,5877,5879,5883.
Also commit the svnmerge modifications.
Merge with revisions 5842,5849,5853-5854,5856-5859.
Testing: Ugly hack to make twill give something more useful for debugging.
Testing: Turn on logging in the test Trac instance
Testing: Note the command to run the test environment by hand.
Testing: Add a testing-specific README in reponse to Tim's admonition.
Keep ''General'' section first in navigation in administration interface.