* Make it possible to expose jsontests using feature flag
* Add start_stop_hook for jsontests
* Fix evmbin compile
* Implement vm jsontests times to tsv result
* Use /usr/bin/env to avoid errors on non-Debian systems
* Move evmbin/bench.sh to scripts and add vm_jsontests script for convenience
* Add tempdir as required deps for test-helpers
* Address grumbles on comments
* Detect file/folder automatically and add command docs
* Fix bench script
* times -> timings
* typo: wrong if condition
* Update `add_license` script
* run script
* add `remove duplicate lines script` and run it
* Revert changes `English spaces`
* strip whitespaces
* Revert `GPL` in files with `apache/mit license`
* don't append `gpl license` in files with other lic
* Don't append `gpl header` in files with other lic.
* re-ran script
* include c and cpp files too
* remove duplicate header
* rebase nit
* The front-end for each hard-fork, also EIP-160.
* Address EIP161 a/c
* Include EIP-161b
* EIP-161 part d.
* Fix test build.
* Fix one test, add another.
* Fix use of bloom & renaming.
* Initial groundwork for EIP-155
* Fix minor bug.
* Fix all tests finally.
* Rest of EIP-155.
* Add tests for EIP-155 algorithm.
Update transaction tests validation.
* Minor reformat.
* Address grumbles.
* Remove unused code.
* Fix SUICIDE gas mechanism and add consensus tests.
* Remove commented code.
* Set Frontier hardfork block number
* Fix warning.
* Transaction tests,
