Added attribute TSK_ISDELETED to indicate that an artifact is recovered from deleted content.
Merge pull request #301 from raman-bt/develop

Added attribute TSK_ISDELETED to indicate that an artifact is recovered ...
set correct paramaters in prepared statements;

fixed a bug in Sleuthkitcase where prepared statements were not getting the correct paramaters set and hence reterning erroneous results
fixed win32 files to build all libs in x64
Merge pull request #304 from millmanorama/sql_paramaters_fix

set correct paramaters in prepared statements;
Made return values in DB code more consistent with enums and added more checks
Merge remote-tracking branch 'upstream/develop' into Sample