Merge pull request #4 from libLTE/master

Merge from ismagom
Adding custom targets to include all header files in generated project files
Building as shared libraries, adding extern C calls to support use from C++
Merge pull request #21 from suttonpd/master

Merge from suttonpd
Merge pull request #22 from ismagom/master

Pull from ismagom fork. Fixed B210 USRP Clock issue added PDCCH
Merge pull request #5 from libLTE/master

Pull from libLTE
Adding support for Qwt6.1
Merge branch 'master' of https://github.com/suttonpd/liblte
Merge pull request #23 from suttonpd/master

Adding Qwt6.1 support
Adding explicit visibility settings for the library
Cleanup of dft interface
Replacing tabs with spaces
Minor edits
Replacing tabs with spaces
Merge pull request #24 from suttonpd/master

Adding explicit visibility settings for the library
Resolved merge conflict with issue #24