#47: Move project to github.

Changed links in documentation and meta information.
Cleaned up logging.
Merge branch 'master' of github.com:roskakori/cutplace

Note: I do not know why this merge is necessary, but git currently refuses to push any changes and wants to merge.
Added first none empty field value as example in ICDs created by cutsniff.
Fixed resource clean up.
Cleaned up naming.
#48: Add sniffing of numeric fields.
#47: Move project to github.
Ignored LibreOffice locks.
Added test data for all standard field formats. This is exercised by ``test_cutplace.CutplaceTest.testValidCsvs()``.
Fixed missing example file which inadvertently was ignored.
#48: Add sniffing of numeric fields.
#37: Use fnmatch in PatternFieldFormat.
Igore egg and Mac OS X system files.
#45: Add validating CSV writer.
#47: Move project to github.

Cleaned up version details because unlike Subversion, git does not support $Id$.
Updated for version 0.7.1
#51: Add support for Travis CI.
Fixed build dependency on coverage having to be located in the search path.
#50: Fixed ImportError during installation if xlrd was not installed.