Moved eigen22 implementation into hpp
Moved computeCorrespondingEigenVector implementation into hpp
Moved eigen33 implementation into hpp
Moved invert2x2 implementation into hpp
Moved invert3x3SymMatrix implementation into hpp
Moved invert3x3Matrix implementation into hpp
Moved determinant3x3Matrix implementation into hpp + missing documentation written
Templated getEulerAngles
Templated getTranslationAndEulerAngles
Inlined one of the getTransformation function
Identation corrections in the test unit
Added inlined transformPoint
Added inlined transformVector
Added transformLine + test unit
Added transformPlane + test unit
Added checkCoordinateSystem + test unit
# This is a combination of 2 commits.
# The first commit's message is:

Added transformBetween2CoordinateSystems + test unit

# This is the 2nd commit message:

Whitespaces corrections