Add PDFs of undated documentation to s/w kit.
Fix the wrong answer for extract function
Fix the fractional second library bug
Fix the fractional second part
Fix the test case
Fix the build on linux, static_cast problem
voltkvqa: split into a version without and with an export table, now two different catalogs are created
voltkvqa: update for join system test
Merge pull request #607 from VoltDB/quick-extract

Quick extract fix for 3.4.