Make the help text for the margin options more explicit
Fix unnecessary disk I/O when scrolling cover grid
...
Update The Independent
newdb: Fix edit metadata dialog not showing undefined dates correctly
...
Fix bug #1163572

RTF input modifications
Bibtex typo
Daily Express by Dave Asbury
Merge pull request #60 from sengian/Bibtex-typo

Bibtex cleanups
RTF Input: Use input encoding setting for files with no codepage

RTF Input: When converting RTF files with no codepage, use the input
encoding setting as the codepage. Fixes #1163572 [RTF charset ansicpg0 handling](https://bugs.launchpad.net/calibre/+bug/1163572)

Merge branch 'RTF-changes' of https://github.com/sengian/calibre
Merge from trunk