Remove DEPENDENT from hunter_download [skip ci]
Remove dependencies from GTest
Add CppNetlib package
Merge branch 'dependencies' into update
Exclude CppNetlib example
Merge branch 'update' into update.linux
Merge branch 'travis.linux' into update.linux
Fix CppNetlib find module
Check HUNTER_CMAKE_GENERATOR as default generator
Partially revert dependencies

Dependencies need to set `<LIB>_ROOT` variables to top project (for find_package)
Improve clear-all.sh: can't change UID
CppNetlib depends on ios_sim for Apple
Update OpenSSL: 1.0.1f
Update CppNetlib: 0.10.1-hunter-2
Merge branch 'update' into update.linux
Verbose output of test.py script
Merge branch 'update' into update.linux
Fix boost unpack optimization

Skip unpack only if file `*-install` found
(previous unpack can be interrupted by used)
Merge branch 'update' into update.linux
Add option: HUNTER_ENABLED