Major overhaul of document ids, required for resolution of various caching issues.
Fixing the stages to conform to new apis
Fixing compile error
Fixing compilation failure ;(
Adds link to mailing list in readme
Added information about OutputStages to readme
Removes Travis Build status from readme

Travis CI seems to have problems and the status doesn't reflect the status of the project.
Removingcommented out code
Merge pull request #165 from jwestberg/caching-refactor

Refactored Document IDs to be consistent across DatabaseConnector
inital attempt to make hydra solr4 complient
Renames Solr 3.6 output stage to have a different artifact ID than the Solr 4 stage.
Fixes imports changed to due API changes.
Merge pull request #169 from laserval/solr4

Adds Solr 4 output support and creates separate Solr 3.6 stage
Upgrades elasticsearch dependency to latest stable.
The stage failed to build from the command line, so a maven-compiler-plugin was added that uses java6 to compile the stage automatcially
Merge pull request #170 from laserval/elasticsearch-upgrade

Upgrades elasticsearch dependency to latest stable release
Changes 'examples' to depend on api instead of basic-stages.
Adds examples to parent build.
Deprecates input stages, fixes compilation errors for the same.
Adds resource.properties to bin folder alongside built hydra-core.
Adds some comments to properties file.
Merge pull request #172 from rgraneru/updatedGroovyRunnerMavenCompilerPlugin

Fixes hydra-groovy-runner failing to build in a java 5 or 7 environment
Merge pull request #176 from laserval/input-deprecation

Deprecates input stages, fixes compilation errors for the same.