add some files with spaces and utf-8 char

[test-rpms] issue 10: add some files with spaces and utf-8 char

Signed-off-by: Reto Zingg <reto.zingg@jolla.com>
[script] improve 'file with space' handling

also update the testcases for it

Signed-off-by: Reto Zingg <reto.zingg@jolla.com>
Merge pull request #23 from sailfish-sdk/issue-10

Handle spaces and utf-8 chars in file names