Added test for reset()
Merge branch 'int_vector_buffer' of github.com:tb38/sdsl-lite into int_vector_buffer
Merge branch 'int_vector_buffer' of github.com:simongog/sdsl-lite into int_vector_buffer
Changed constructor of int_vector_buffer
Merge branch 'int_vector_buffer' of github.com:simongog/sdsl-lite into int_vector_buffer

Conflicts:
	include/sdsl/int_vector_buffer.hpp
Added test for int_vector_buffer::iterator