Fixed MRB_INT64 warning
Fixed mistake
defined printf macro for mrb_int
load MRUBY_CONFIG script after 'build_config.rb'
Added .lib extension for library file on VS2012
Change the way that the DISABLE_GEMS flag is set.
Merge pull request #766 from masuidrive/mrbint64

Fixed MRB_INT64 warning
Merge pull request #790 from carsonmcdonald/nogemdefchange

Change the way that the DISABLE_GEMS flag is set.
Removed mrbc -C option what's C function dump. and TAB to space
Removed mistake
Fixed minor typo.
Merge pull request #798 from carsonmcdonald/typofix

Fixed minor typo.
Merge pull request #796 from masuidrive/vs2012

Added .lib extension for library file on VS2012
resolve conflict
remove src/cdump.c to resolve; need make clean
rename mrb_ary_alen to mrb_ary_len; close #781