Merge pull request #35 from zamatcmd/master

Removing absolute paths to executables
Merge pull request #36 from zamatcmd/master

#5294 - Removing support for Postgres < 9.0
Merge pull request #37 from zamatcmd/5295

5295
Merge pull request #38 from zamatcmd/configfix

Fixed incorrect name of config value in cmd_standby.ini.sample
Changed order of set operation and semantics of list comparison
Merge pull request #39 from zamatcmd/hotfix

Changed order of set operation and semantics of list comparison in get_bin_paths_func
Implemented CMDWorker methods log(), debuglog()
Modified CMDWorker.notify_external to use new log functions
Merge branch 'master' of https://github.com/commandprompt/PITRTools
Fixed incorrect whitespace
Merge branch 'master' into 5297
Made threaded_rsync path absolute
Fixed typo
Reverted changes commited to incorrect branch
base_backup_func() subprocess.call() arguments formatted correctly
Added debug messages during base backup
Moved messages to stdout to new log system in cmd_archiver
Integrated more debug/log messages
Implemented queue_log_func, ship_log_func, refactored archive_func
Implemented CMDWorker.pull_exception(): Returns a formatted traceback