fixed dependency on default system charset causing some tests to fail on MacOS
fixed missing explicit maven-source-plugin version causing maven 3 warnings
normalize spacing and add syntax-highlighted code fences

There were a few different styles in the README code examples, so I normalized
on 4-space indents and 8-space hanging indents.
Merge pull request #154 from YannRobert/FixedDependencyOnDefaultCharset

fixed dependency on default system charset
Merge pull request #155 from YannRobert/FixedMissingExplicitMavenSourcePluginVersion

fixed missing explicit maven-source-plugin version causing warning from maven 3
Merge pull request #156 from sgrailways/syntax-highlighting

Normalize Spacing and Add Syntax-Highlighting to README
Merge pull request #157 from yaronyg/master

Get Ektorp to more flexibly handle getAllDocIds() responses
DON'T CHECK THIS IN TO MAINLINE EKTORP

This add our maven depot to store snapshots.