Rewrote the specs for challenge 7 with `expect()`-syntax
Merge pull request #16 from AlexVPopov/spec-c7

Rewrote the specs for challenge 7 with `expect()`-syntax
Obey the style guide in the sample spec
Add 16 color test to sample_spec.rb

Add 16 color test to sample_spec.rb. Art taken from http://www.heartnsoul.com/ascii_art/mona_lisa_ascii.htm ,
and I had to change it a bit to reduce the colors to 16.
Merge pull request #17 from bobev18/patch-1

Add 16 color test to sample_spec.rb
Revert "Add 16 color test to sample_spec.rb"

This reverts commit a2752c9e0cc78dfff840b0b78abcfb4778904fb5.
Revert "Revert "Add 16 color test to sample_spec.rb""

This reverts commit 5b3820a56f5a6b120040054bff92cf196d8e1216.
Revert "Rewrote the specs for challenge 7 with `expect()`-syntax"

This reverts commit e25d76b78dc1146e77ac45bedfc2862aa36e4e00.

Conflicts:
	challenges/07/sample_spec.rb
Add eighth challenge