Implements populateSlideMap function with unit tests
modifies populateSlideSettingsMap
Empty return upon unfiltered setting.
Use QRegExp for position allocation.
Adds C++11 flag to pro file.
heapTest unit test with a raw pointer
Changes to stripComments(), stripSquareBrackets(), and
populateSlideSettingsMap()
Now use QSharedPointers instead of raw pointers, with corresponding
changes to unit tests.