added new constructors within several classes
added new constant values: TD_CLIENT_{READ,CONNECT}_TIMEOUT
changed 'read timeout' setting of http connection
minor change within TestCreateTable class
modified Constants class
modified HttpConnectionImpl class for setting 'read timeout'
modified CHANGES.txt
modified constant values in Constants class
changed JobResult model class: added field of result size to the model
changed DefaultClientAdaptorImpl and HttpConnectionImpl classes according to fb88b067b0187198ab6260da2669713717426475