* fixes issue #2605
* should also fix issue #2545
* should also fix issue #2358 (again)
* reverts r3924 and r3925, SynEdit modifications which should not be required any longer now that logging is postponed for the mainthread
* Merge with heidi related changes (basically only SingleLineMode)
* Readd missing file changelog.htm to keep that file list consistent with the downloaded one
* Merge our own compiler detection again
* Disable including a further compiler includefile jedi.inc