i downloaded forge and buidled it but it says
* What went wrong:
A problem occurred configuring root project 'Forge Client'.
> Could not resolve all dependencies for configuration ':classpath'.
> Could not resolve net.minecraftforge.gradle:ForgeGradle:2.1-SNAPSHOT.
Required by:
:Forge Client:unspecified
> Could not resolve net.minecraftforge.gradle:ForgeGradle:2.1-SNAPSHOT.
> Unable to load Maven meta-data from http://files.minecraftforge.net/maven/net/minecraftforge/gradle/ForgeGradle/2.1-SNAPSHOT/maven-metadata.xml.
> Could not GET 'http://files.minecraftforge.net/maven/net/minecraftforge/gradle/ForgeGradle/2.1-SNAPSHOT/maven-metadata.xml'.
> peer not authenticated