Fix resources dir location, add wxWidgets to Windows deps build script

resources/localization/CMakeLists.txt

@@ -1,8 +0,0 @@
-set(L10N_DIR "${PROJECT_SOURCE_DIR}/resources/localization")
-add_custom_target(pot
-    COMMAND xgettext --keyword=L --from-code=UTF-8 --debug
-        -f "${L10N_DIR}/list.txt"
-        -o "${L10N_DIR}/Slic3rPE.pot"
-    WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
-    COMMENT "Generate pot file from strings in the source tree"
-)