Add difference-of-squares exercise
Add grains exercise
Renamned point-mutations to hamming

The Exercism calls the exercise Hamming so it is more consistent to have that name.
The example module (and tests) are also renamed after the exercise since an
overwhelming majority of xerlang exercises follows this pattern.
Renamed rna-transcription module to rna_transcription

The example module (and tests) are renamed after the exercise since an
overwhelming majority of xerlang exercises follows this pattern.
Renamed module (and tests) after exercise

The example module (and tests) are renamed after the exercise since an
overwhelming majority of xerlang exercises follows this pattern.
Cleanup trinary

Complete rewrite of trinary to show usage of Erlang libraries instead
of the existing how-to-write-Eroang-program.
Not sure if anybody else thinks this is a good idea.
The example module (and tests) are renamed after the exercise since an
overwhelming majority of xerlang exercises follows this pattern.
Add largest-series-product exercise
Merge pull request #6 from ebengt/difference-of-squares

Add difference-of-squares exercise
Merge pull request #7 from ebengt/grains

Add grains exercise
Merge pull request #8 from ebengt/hamming

Renamned point-mutations to hamming
Merge pull request #9 from ebengt/rna-transcription

Renamed rna-transcription module to rna_transcription
Merge pull request #10 from ebengt/nucleotide-count

Renamed module (and tests) after exercise
Merge pull request #11 from ebengt/trinary

Cleanup trinary
Merge pull request #13 from ebengt/largest-series-product

Add largest-series-product exercise