Whitespace cleanup
Move Rdebug.c to src/instrumentation
Remove modifications in gnuwin32/system.c
Use Rboolean instead of custom bool-ish notations
Remove warnings in main.c
Remove debugbla
Unify comparison operator order
Move extractFunctionName to Rdebug.c/.h
Fix compilation without debugscopes
Remove incorrect comment
Remove commented-out code
Add configure option to enable/disable debugscopes
Import R-3.0.3
Remove a bit of unused code
Small fixups to minimize diff size
Merge branch 'debugscopes-merge'
Merge branch 'vendor'

Conflicts:
	configure
	src/main/gram.c
Remove "--trace summary" option
Move externalcalls to a seperate option
Show a warning if --trace option is given with no argument