Changelog for elerea-1.2.3

If this renders badly as markdown, see the plain text version

1.2.3 - 100131

1.2.2 - 100115

1.2.1 - 091204

1.2.0 - 091202

1.1.0 - 091126

1.0.0 - 090726

0.6.0 - 090507

0.5.0 - 090502

0.4.0 - 090501

0.3.0 - 090419

0.2.0 - 090412

0.1.0 - 090410