Updated Ignite's DOAP file
<category rdf:resource="http://projects.apache.org/category/sql" />
<category rdf:resource="http://projects.apache.org/category/cloud" />
<category rdf:resource="http://projects.apache.org/category/database" />
+ <category rdf:resource="http://projects.apache.org/category/distributed-sql-database" />
+ <category rdf:resource="http://projects.apache.org/category/data-management-platform" />
<category rdf:resource="http://projects.apache.org/category/hadoop" />
<category rdf:resource="http://projects.apache.org/category/network-server" />
<category rdf:resource="http://projects.apache.org/category/network-client" />
