mruby-brightv-port

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remove floating value conversion.

fix typo

fix typo

fix for gcc 2.95.2

mruby-1.2.0

Merge pull request #3022 from zzak/enable-full-debug-travis-build

Enable full-debug build on travis using `MRB_ENABLE_DEBUG_HOOK`

Merge pull request #3021 from zzak/fix-enable-debug-define

Fix MRB_ENABLE_DEBUG_HOOK config typo left from 4440566

Enable full-debug build on travis using `MRB_ENABLE_DEBUG_HOOK`

Fix MRB_ENABLE_DEBUG_HOOK config typo left from 4440566

/cc #3014

Merge pull request #2752 from cremno/add-ruby_engine_version

add RUBY_ENGINE_VERSION

Merge pull request #3020 from cremno/document-mrb_utf8_string

document MRB_UTF8_STRING config macro

document MRB_UTF8_STRING config macro

Merge pull request #3019 from cremno/fix-mrb_disable_stdio-typos

fix MRB_DISABLE_STDIO typos

add RUBY_ENGINE_VERSION

RUBY_ENGINE_VERSION is equivalent to MRUBY_VERSION. It would be a
standard way to get the interpreter version (without a case expression).

It's also already defined by CRuby 2.3, JRuby 9000, Opal, and Rubinius.

fix MRB_DISABLE_STDIO typos

update TODO entries; close #2831

DISABLE_STDIO/ENABLE_DEBUG macros to rename; close #3014

changes:
* rename DISABLE_STDIO -> MRB_DISABLE_STDIO
* rename ENABLE_DEBUG -> MRB_ENABLE_DEBUG_HOOK
* no more opposite macro definitions (e.g. ENABLE_STDIO, DISABLE_DEBUG).
* rewrite above macro references throughout the code.
* update documents

Merge pull request #3018 from zzak/add-mruby-cli-authors

Add contributors from mruby-cli project to AUTHORS file

Merge pull request #3017 from Mav7/master

Added type annotation to YARD.

Added type annotation to YARD.

Merge pull request #3015 from murasesyuka/fix/fix_lshift_and_fix_rshift_doc

fix comment

fix comment

Add contributors from mruby-cli project to AUTHORS file

Merge pull request #3013 from zzak/dont-pull-gems-by-default

This patch changes git gem behavior to never pull gems unless specified.

This patch changes git gem behavior to never pull gems unless specified.

Since mgem's function almost the same as git gems, but you can see they already
avoid pulling from source after the gem has already been cloned.

You can see from the `load_special_path_gem` method found in the file
`mruby_build_gem.rake`, or extracted here:

```ruby
if File.exist? mgem_list_dir
git.run_pull mgem_list_dir, mgem_list_url if $pull_gems
else
FileUtils.mkdir_p mgem_list_dir
git.run_clone mgem_list_dir, mgem_list_url, "--depth 1"
end
```

Also, later in this same method; mgem will set the `git` params.
Doing this will trigger the following block:

```ruby
if File.exist?(gemdir)
if $pull_gems
git.run_pull gemdir, url
else
gemdir
end
else
# ... clone
end
```

You can see here, this checks if `$pull_gems` is enabled before pulling.

Lastly, the final condition for this method is here:

```ruby
if params[:checksum_hash]
# Jump to the specified commit
git.run_checkout gemdir, params[:checksum_hash]
else
# Jump to the top of the branch
git.run_checkout gemdir, branch if $pull_gems
end
```

What we changed was the `else` condition of this block to follow the same
behavior as the aforementioned code. In doing so, we can avoid two things:

* Excess `clone` calls can slow down builds (times number of gems used)
* We _don't_ want our code to _update_ during build

To explain, if during build time there are some changes in the gem we are
depending upon: updating during compile time could actually break our
application.

This is what we're trying to avoid.

Merge branch 'nobu-feature/hash-cmp'

move Hash comparison methods to mruby-hash-ext gem

Merge branch 'feature/hash-cmp' of https://github.com/nobu/mruby into nobu-feature/hash-cmp

Merge pull request #3011 from Mav7/master

Added more YARD docs to mruby.h

Added more YARD docs to mruby.h