fdo#37529 clear DataColumns read-only information when we clear DataColumns [Lionel Elie Mamane] fdo#42450 fix crash in SwXTextSection::attach: [Michael Stahl] fdo#44721 protect against negative calculated height value [Lionel Elie Mamane] fdo#45366 exception while importing xlsx. [Muthu Subramanian] fdo#49819 do not consider timestamp differences as corruption [Fridrich Štrba] fdo#52535 rows with cond formats don't have empty background, [Markus Mohrhard] fdo#53006 displaying help/version early on UNX requires service manager [Stephan Bergmann] fdo#54349 shrink to used area for duplicate codn format, [Markus Mohrhard] fdo#54385 displaying help/version early on UNX requires service manager [Stephan Bergmann] fdo#54498 fix crash when updating conditional formats, [Markus Mohrhard] fdo#54553 broadcaster cells are empty, [Markus Mohrhard] fdo#54609 exception while importing xlsx. [Muthu Subramanian, Fridrich Štrba] fdo#54661 rows with cond formats don't have empty background, [Markus Mohrhard] fdo#54749 don't add old cond formats if new ones are already loaded, [Markus Mohrhard] fdo#55059 use correct cell for broadcasting, [Markus Mohrhard] fdo#55066 import values and formulas from lotus-123, [Markus Mohrhard]