Added -lrt to *.ecf files.

-lrt C (external) compile option was needed to compile with librt.so
because of new use of POSIX_SHARED_MEMORY.  (It's not actually used -
just defined as an [unused] variable for later possible use.)
Updated date

Corrected my earlier oversight of updating the version (to 1.8.2)
without updating the date (2014-06-23 -> 2014-07-06).