typo
v1.1-stable added in release notes
Improved consistency of tmp file names
minor changes (indentation and fct name)
fixes #44

The x/y resolutions are not computed separately anymore.
We do not check anymore if x and y resolutions are different (not
measure could anyway be taken if they were not equal...)
removed unused variables
round dpi value correctly
Changed debug page name

In order to have the debug page after the normal panel in the final PDF
file
Minor change
create symbolic links and not copy

If deskew and/or cleanup is not requested, do not copy the files, but
just create symbolic link.
This saves disk place and makes the script slightly quicker
link to issue tracking system added
check tesseract version

fixes #41
versions older than 3.02.02 are known to produce invalid hocr output (in
some cases)
fixes #40 and code cleanup
erroneous exit code corrected