Update toolchain schema proposal
Resolves https://github.com/openETCS/toolchain/issues/102
Resolved part of https://github.com/openETCS/toolchain/issues/134
Resolving https://github.com/openETCS/toolchain/issues/132
Resolving https://github.com/openETCS/toolchain/issues/136
Resolving https://github.com/openETCS/toolchain/issues/138
Removed note about B or SCADE not being open-source
00.09:
Cleaning in all the document
Github issues taken into account:
62, 102, 126 (partial), 132, 136
Merge remote-tracking branch 'refs/remotes/origin/master'
Integration of change in appendix B
Author list updated : michael Jastram as main author
Merge pull request #146 from astante/master

Fix of issue #141
Merge modification A. Stante
issues 86, 108, 116
issue 116
typos
Merge branch 'master' of github.com:openETCS/toolchain
add ignore formats
fixes from KRH remarks
Corrected follows suggestion of KRH