Removes whitespace keyword hack.

[tcr]

(Rebased over #21, merge that first)

Remove the hack for adding additional whitespace after a block char. In the process, we can now parse these files as well:

• ./language-c/src/Language/C/Analysis/AstAnalysis.hs
• ./language-c/src/Language/C/Analysis/Builtins.hs
• ./language-c/src/Language/C/Analysis/Export.hs
• ./language-c/src/Language/C/Analysis/NameSpaceMap.hs
• ./language-c/src/Language/C/Analysis/TypeUtils.hs
• ./language-c/src/Language/C/Data/Node.hs
• ./language-c/src/Language/C/Syntax/Constants.hs