cld2-20150820-bp156.4.5

- include GNUInstallDirs into CMakeLists.txt and use CMAKE_INSTALL_FULL_LIBDIR
  variable in pkgconfig file to set corret library path also on Tumbleweed

- fix generating cld2_full library by adding common source files
  in CMakeLists.txt

- change include paths in pkgconfig file to the values used by
  cyrus imap

- add 0001-fix-hebrew-iso-code.patch to change obsolete hebrew language
  code from iw to he

- add pkgconfig file
- cleanup spec file
  * remove stuff for compatibility below SLE 12
  * use license tag in files section

- Update to version 20150820:
  * upstream moved to git(hub)
  * Some unused code removed

- fix build with gcc6 in Factory, build with -std=c++98 boo#985158

- initial version