fix skip/limit on iterable
add tests for DefaultGraphQueryIterable
create a default constructor
Merge branch 'master' of github.com:altamiracorp/securegraph
add logging to addElement
upgrade accumulo version to 1.5.2
Update README.md
return no related edges when provided no vertex ids
add progress callback to find path
remove skip edge index log message
support searching the geo point description
fix test
fix es test
add a prepareEdge method to Graph that takes the vertex ids
hide edges and vertices
update readme for accumulo hidden columns
mark a property as hidden
add method to get hidden vertices and test their hiddeness
get property hidden status
add helper method to mark a property hidden