Fixed compiler warning in instances.h
Fixed compiler warning in productionsite.cc
Created new function to format localized lists of warenames etc.
Removed wl_const_range from ProductionProgram::parse_ware_type_group
Replaced boost::algorithm::join with i18n::localize_item_list
Reworked string output in ProductionProgram::ActConsume::execute
Removed last usages of wl_const_range. Cheeriebye!
Added new function "description_negation" to struct Condition for natural language stuff, but test_economy doesn't like:

Linking CXX executable test_economy
../../third_party/libthird_party_eris.a(loslib.c.o): In function `os_tmpname':
/home/bratzbert/sources/widelands/bug-1348795/src/third_party/eris/loslib.c:108: warning: the use of `tmpnam' is dangerous, better use `mkstemp'
../../logic/liblogic.a(production_program.cc.o):(.rodata._ZTVN9Widelands17ProductionProgram9ActReturn8NegationE[_ZTVN9Widelands17ProductionProgram9ActReturn8NegationE]+0x30): undefined reference to `Widelands::ProductionProgram::ActReturn::Negation::description_negation(Widelands::Tribe_Descr const&) const'
collect2: error: ld returned 1 exit status
make[2]: *** [src/economy/test/test_economy] Error 1
make[1]: *** [src/economy/test/CMakeFiles/test_economy.dir/all] Error 2
make: *** [all] Error 2
Fixed the bug from the last commit
Changed the wording of some strings so they can work together with the tribes' conf files
Changed naming for Atlantean programs from past tense to gerund
Finished updating the tribes' conf files
Fixed bug in animal farms
Codereview comments.
Replaced boolean parameter with enum
Merged trunk
"Can’t find any more resources!" hover text for mines now uses the message title text from the conf files, if available. Added same hover text in ProductionSite::worker_failed_to_find_resource for quarries, farms etc.
Expanded TRANSLATORS comment
Combined ProductionProgram::ActMine::notify_player and ProductionSite::worker_failed_to_find_resource into one new function ProductionSite::out_of_resources
Wrapped away some snprintf calls