Fix and clean up ftests

• ftest:

  • RunTest: The test executation command is corrected and tests are run with a clean config file.
  • Mark peakTypes test as broken (results of Windows and Linux does not match); see also issue #33 (closed).
  • Clean up tests and add descriptions.
  • Fix most of the broken tests.
  • Merge i53 test into gui test.
  • Rename tests to proper names:
    • run5 => peaksDiagram
    • run3Test => peakTypes
    • run1 => peaksPoleFig
    • correction => correctionTest
    • formatstest => formatsTest
  • Add Functional. prefix to ftests.

• main/steca:

  • Display info about parameters.
  • Display the path to the configuration file; clear the QSettings (needed for Windows).

• GitLab-CI: set CMAKE_BUILD_TYPE to Release and fix the Qt directory.

• <root>/CMakeLists.txt: report the QCR version, include directory and libraries.