fixed GH #376: Defect: checking null value when using the same statement multiple times.
source code cosmetics
minor performance improvement, better workaround for clang issue with handle property
- added optional SQLite Full Text Search support
- Powershell build fixes:
  1) Add platform for MSbuild
  2) fixed omit array handling
CMAKE - generate pocomsg.h in src

Merge https://github.com/guruofquality/poco/commit/922ca412848bc8b5fd05cd6903779eac4e7463a7

fix pocomsg.h generation so the target stops rebuilding
The output directory specified by -h should match the RES_SRCS directory.
Changed the RES_SRCS to specify the srcs directory.
fixed buildwin.cmd script
- make SQLite FTS default on non-embedded windows
- add support for SQLite thread safety configuration on POSIX platforms
- add WEC2013 support to windows Powersjhell build script
Merge branch 'sqlite-fts' into develop
- add SQLite FTS define to windows non-embedded testsuites
- remove POCO_DATA_SQLITE_FTS define from Config.h
- add console message when FTS tests are no-op
fixed misplaced parentheses
fixed IP address for ping tests (10.0.0.1 is reachable from build server)
ProGen fixes for VS2010-2013
re-generated vs100-vs120 project files
ProGen templates: support for additional compiler and linker flags
Merge remote-tracking branch 'upstream/develop' into develop