[ci skip] allow long paths in git on windows

vharseko

30.31.2018 bfdd8a1e030be0d378efbc6fa5d30cf8947ed422

[ci skip] allow long paths in git on windows

 README.md

@@ -34,6 +34,11 @@
Java 1.8+ required

## How-to build
For windows use:
```bash
git config --system core.longpaths true
```

```bash
git clone --recursive  https://github.com/OpenIdentityPlatform/OpenDJ.git
mvn clean install -f OpenDJ/forgerock-parent