adds some tests for the webrequestdataholder

- sort of refs #955 #956
- Add option to control Propel 1.3 instance pooling
- closes #960
merge 82970dca56f64dd350d70cbe95173c7682bfd96f...c1ab48fc508c4c809d9af01acfe72f010e5c3c06 (from 0.11)
Adds some more tests for the WebRequestDataHolder

-refs #955
adds some more tests for #955
- covers all of the get/setCookie methods
- covers all of the get/setParameter methods

- refs #955
adds some more testcases for the webrequestdataholder

- refs #955
splitting the AgaviWebRequestDataHolderTests in separate files

- refs #955
- allows inclusion/exclusion of suites via --include-suite / --exclude-suite

-refs #380
- adds a testcase for the AgaviArrayPathDefinition
- adds a set of tests for AgaviArrayPathDefinition::getPartsFromName
- refs #308
added two linebreaks to the end of the help-output in AgaviTesting

refs #380
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 #308
code beauty, replace spaces by tabs for indenting

- refs #308
fix getFailedFields calling a non existant method
refs #785
testcase for #962
refs #962
missing CHANGELOG entry for a11257189d962a25a94c43d70717d7b2022c3e2b, closes #963 and refs #785
Reword exception message for 55b58b6ecc093e7d99281b01f20e1616e3a8598a, refs #953
merge 0710110fafc5fa6e403033365a7cd29d716dc821...e62202d2ea38603317f6cb931d26d06e931aea3f (from 0.11)
Fixed changelog entry for rephrased ticket, refs #929
Removed changelog entry for a fix for a bug which never was in a release, refs #929 and closes (again) #941