* late mucus shift and therefore no postovu phase

* latest valid cervix shift
* late and therefore invalid cervix shift

* adding tempEvalEnd value to cervix tests
* more comments in code for cervix sympto
* better description in cervix temp tests
* take out cervix.value

This reverts commit 969da1d1.

Add first blueprint for temp&cervix tests

moves getCycleLength to corresponding files, adds function to get next menses (not finished) with first tests