xml-security-c-3.0.0-160000.2.2

- Switch to the Shibboleth project's fork of xml-security-c
- Update to 3.0.0: no changelog available

- Update to 2.0.4: no changelog available
- Drop xml-security-c-2.0.2-xalan-1.12.patch

- add xml-security-c-2.0.2-xalan-1.12.patch to fix build with xalan
  1.12 [bsc#1179556]
- re-enable xalan support

- Run spec-cleaner
- Temporarily disable xalan support because it fails with the recent
  1.12 version

- update to 2.0.2
  * [SANTUARIO-496] - DSA verification crashes OpenSSL on invalid
    combinations of key content
  * [SANTUARIO-491] - Default KeyInfo resolver doesn't check for
    empty element content.
  * [SANTUARIO-382] - Unconditionally enable large file support
  * [SANTUARIO-418] - Invalid acceptance of unpadded RSA signatures
  * [SANTUARIO-435] - Automake misses the subdir-objects option
  * [SANTUARIO-437] - Cannot compile as C++11
  * [SANTUARIO-447] - XSECCryptoX509::loadX509PEM() can read past
    unterminated buffer
  * [SANTUARIO-449] - TXFMOutputFile can try to close unopened stream
  * [SANTUARIO-470] - dsig/DSIGReference.cpp:931: bad type ?
  * [SANTUARIO-471] - Patch for C++11 compile failures
  * [SANTUARIO-473] - Build failure using NSS
  * [SANTUARIO-474] - Better overflow checking
  * [SANTUARIO-479] - xml-security-cpp compilation errors
  * [SANTUARIO-460] - Support for OpenSSL 1.1
  * [SANTUARIO-461] - Internal key store should be deleted on any
    CryptoAcquireContext() error
  * [SANTUARIO-472] - Conditional inclusion of XMKS code in library
  * [SANTUARIO-476] - Change default behavior for inferring
    attribute IDness by name
- drop the following patches that are no longer needed
  * xml-security-c-1.7.3-gcc6.patch
  * xml-security-c-1.7.3_openssl1.1.patch
- update soname from 17 to 20
- pack xml-security-c.pc
- require libxerces-c-devel >= 3.2
- run spec-cleaner

- support building with openssl 1.1 (bsc#1067411)
  * add xml-security-c-1.7.3_openssl1.1.patch from Fedora

- add patch xml-security-c-1.7.3-gcc6.patch, fixed boo#985160
  * bool can't be converted to pointer in c++11 which is
    default in gcc6, change to NULL.

- Package license and provided changelog

- Add gpg signature
- Disable building of static libraries
- Enable xalan support

- use spec-cleaner
- package cleaning
- remove unused conditionals