added pipeline draft
added support for pure virtual classes
Add missing escape character
Added a generic utility file
Added the type_traits include for std::is_same
added JsonRestProxy class
added the ability to close stdin (default = keep open) in the child process when no data is passed
libvalue_description depends on libarch
ensure that iso8601 datetimes using a space char as separator are parsed correctly
added more tests for date parsing
Epoller::handleEvents:: made the epoll timeout used in epoll_wait configurable
S3Api::forEachObject: fixed url returned for searches under non-directory prefixes
Epoller::handleEvents: enhanced the way the epoll timeout used in epoll_wait is configured, by using a member variable instead
commented out debugging output
use setsid instead of setpgid, to start a new "session" altogether
log thrower is now marked as no return.
blocks now use static logging categories.

"Temporary" fix to avoid segfault on startup.
updated the jml submodules
Merge branch 'blocks'
MessageLoop: simplified source handling via a TypedMessageChannel