Fixed data not being moved on reallocation

Renamed file to meet Kattis expectations
Revert "Fixed data not being moved on reallocation"

This reverts commit 185ffe1f578e98aa1c1bc5d5842e0c824e78c9fc.

Calle! Separate refactorizations from changes!
Rename Vector.hpp to kth_cprog_vektor.cpp
Update Vector path in vector_test makefile
Add performance settings to VS solution
Make DEFAULT_SIZE static
Test that push_back reallocates memory as necessary and correctly
Reallocate memory correctly in insert(index, element)
Redefine a loop index as size_t