Bump version: v0.7.0

- Add compile time option to disable shared memory communication `-DUSE_SHM:BOOL=OFF`
- Deamons does not store anymore information about the others deamons.
- Improoved error handling on deamon initialization
- Decreased RPC timeout 3min -> 3sec
- Update 3rd party dependencies
- PID file is not used anymore, we use only the new `hosts file` for out of bound communication
- Dropped CCI plugin support
- Dropped hostname-suffix cli option
- Dropped port cli option (use `--listen` instead)
- It is not needed anymore to pass hosts information to deamons, thus the `--hosts` cli have been removed
- Errors on get_dirents RPC are now reported back to clients
- Write errors happenig on deamons are now reported back to clients
- number overflow on lseek didn't allow to use seek on huge files

Intercept I/O syscalls instead of GlibC function

 using [syscall intercept library](https://github.com/pmem/syscall_intercept)

Syscall intercept version of GekkoFS. First Release with acknowledgements and license.

Working version for the NEXTGenIO demo. It must support pipistrel run on OpenFoam v6