Removed debug message on stdout
Added many summary related keywords.
Changed initialization order in Schedule. Throws exception if time map is not created when adding group
Removed use of boost::shared_ptr, replaced with std::shared_ptr
Merge pull request #60 from flikka/fix-internal

Changed initialization order in Schedule. Throws exception if time map i...
Merge pull request #61 from flikka/shared-ptr

Removed use of boost::shared_ptr, replaced with std::shared_ptr
Merge remote-tracking branch 'upstream/master' into norne-keywords
Changed some keyword item names.
Added many Wxxx keywords from Norne.
Fixed o -> O case f..up
Changed name of items.
Added tracer keywords with wildcard.
Added some Wxxx keywords.
Added misc keywords PIMULTAB, VAPPARS and ZIPPY2
Added keyword NETBALAN to test dataset.
Modified VAPPARS keyword. Added 'required' E300 items to WCONPROD.