Inport log files have UNIX line endings, causing default display in Windows to not work nicely

[Ed McDonagh]

Line endings are UNIX style.

Need to update the docs to reflect this, and/or change the code to convert to Windows style.

[Ed McDonagh]

Added Windows line endings to the patient size import log file. Needs testing, but should fix #117

→ <<cset a6ce5fee46b6>>

[Ed McDonagh]

Updated changes.rst with ref #117

→ <<cset fb5203653e01>>

[Ed McDonagh]

Added windows line endings to import logs (ref #117), hopefully fixed issue #99, lots of improvements to the install and upgrade docs.

→ <<cset 4e0c16f047af>>