adds some tests for the webrequestdataholder

- sort of refs #873 #874
- Add option to control Propel 1.3 instance pooling
- closes #878
merge 90f051a057f9818ba4b029b605d32632dc99b366 to 888cdd66dcdc3179e522bd0d0e955c977b2fb1f0 (from 0.11)
Adds some more tests for the WebRequestDataHolder

-refs #873
adds some more tests for #873
- covers all of the get/setCookie methods
- covers all of the get/setParameter methods

- refs #873
adds some more testcases for the webrequestdataholder

- refs #873
splitting the AgaviWebRequestDataHolderTests in separate files

- refs #873
- allows inclusion/exclusion of suites via --include-suite / --exclude-suite

-refs #305
- adds a testcase for the AgaviArrayPathDefinition
- adds a set of tests for AgaviArrayPathDefinition::getPartsFromName
- refs #233
added two linebreaks to the end of the help-output in AgaviTesting

refs #305
added and corrected some usage information 

- added info about environment
- fixed cli call info

#refs 380
- adds a testcase for the agavilocale
- adds a test for AgaviLocale::getCalendarDaysWide()

-refs #233
code beauty, replace spaces by tabs for indenting

- refs #233
fix getFailedFields calling a non existant method
refs #709
testcase for #880
refs #880
missing CHANGELOG entry for 76ecc7f8803563af2c5116a65291ff5b3e829e62, closes #881 and refs #709
Reword exception message for 8b5db0760a6186cb505d95498969e67672c85a4d, refs #871
merge 6f91eb5ac040721f326ddafaad19fb59a100c8e2 to c98fdb46d7f6da5587087ce31aea8062e1f835b4 (from 0.11)
Fixed changelog entry for rephrased ticket, refs #847
Removed changelog entry for a fix for a bug which never was in a release, refs #847 and closes (again) #859