Travis-ci:...- Disabled gcc-6 since we develop with later tools anyway
- Turned the release test into a simple integration test
- Adding MacOSX on Travis-ci
Tests: Adding tests for Plink w. LOCO
Safety: Introduce strtok_safe to get rid of segfaults
Makefile: clean up of the main Makefile and changed build instructions... to align with normal build systems
* Debug mode is now the default (use DEBUG= to disable)
* Dynamic linking is now the default (use FORCE_STATIC=1 for static)
* Removed references to 32-bit compilation (default is $arch)