Track all the required changes for autogenerated files

[isaacvr]

Feature description

After generating some files it required to make some changes, improve/fix.

Is your feature request related to a problem? Please describe.
The generator is not perfect, if you want to customize or fix some this, this changes could be lose after a regeneration.

Describe the solution you'd like
A check list in the README to track the required changes after regenerating files.

Additional context
This is an example of a required change:

• The curl library should be build in release mode for release versions skycoin/libskycoin#66

Possible implementation
A new section in README and reference it from the "release instructions" section.

Relevant changes so far now:

• Build curl lib in release mode
• Add object.c to the build.