ebook-tools-0.2.2-bp150.2.2

- Add baselibs.conf

- Update to 0.2.2 (bnc#845629, kde#325909)
  * Bugfix release, no upstream changelog provided

- xz was added to buildrequires and it was formatted.

- Use GCC visibility, which shrinks the symbol table
  to less than a half of the actually size

- Remove redundant/obsolete tags/sections from specfile
  (cf. packaging guidelines)

- update to 0.2.1:
  installs epub_version.h now
- fix build with libzip

- update to new version 0.2.0
  This release contains major bug fixes.
  Among them crash bugs/security bugs.
  Update recommended

- build fixes