Adding MySQL implementation files

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# Change-log Format: [Abc]: Message.
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# Parameters and Examples
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# * Add:                New function to rule the world.
# * Mod(ify):           Add women factor in Domination.ruleTheWorld().
# * Ref(factoring):     Extract empathy stuff to an abstract class.
# * Fix:                RUL-42 or #42 Starvation need to be initialised before Energy to avoid the nullpointer in People.
# * Rem(ove):           freeSpeech is not used anymore.
# * Rea(dability):      Removed old TODO and extra space in header.