Prevent destruction of parallel interpreters when map is refreshed and that interpreter is currently running (by assigning a 2nd ref to the shared_ptr).
Use the through-bool only for Through mode in movement events (Fixes #321).
doxygen -u
make Doxygen generation dynamic
add generated Doxygen file to .gitignore
Implement "Transparent" flag for Events. Fixes #302.
Merge pull request #323 from carstene1ns/doxygen

add Doxygen generation to autotools and make the Doxygenfile dynamic
include autoconf macro explicitely
Merge pull request #324 from carstene1ns/doxygen_autotools_fix

include autoconf macro explicitely
Fix compile error in gcc
Merge pull request #325 from Ghabry/development

Parallel Event segfaulting
Fix characters blocked by messages
Guard Game_Interpreter::Update() with an updating flag
Fix bitmap rotation (position and initial angle)