Moved Dialogue to Helpers.ocd to avoid copies

(cherry picked from commit 6ff632e2f24812d1ffa912e0b6008340dc1ca7de)
Fix issues with Crash.ocs intro (#951)

(cherry picked from commit addf28a0aba092c03c0e9b3f89d2dff39eeb361b)
change a LogFatal() to Log() when loading of a player failed (related to #693)

(cherry picked from commit 724bb803009c2c76382fe33a8307944ed47fd2f1)
Removed double Title1.png from Arena.ocf

(cherry picked from commit 6cbe9e0554bfbb2822c8ad7c352a271c027a680d)
fix statistics in player selection dialogues ignore linebreaks (#1027)

I was unable to find the original commit that might have caused this, so I passed the constructor of the TextWindow an extra parameter to treat "|" as linebreaks and changed the translation files.

(cherry picked from commit e1cff59418796f9610aca097b154d87b663db6fb)