Updated Error Detection and Tests

[coltonmercurio]

Adding error detection for makefiles and multiple files

==Features Added==

• Errors are now annotated on makefiles
• Errors on files are annotated for the most recent build until built again
• Errors on annotated on multiple files
• Errors remain on files even when navigated away and back again
• Changed Ace Editor's tabbing to hard tabs for supporting makefiles
• Temporarily disabled auto-indenting because it was removing annotations after half a second and indenting non-C files
• Correctly parsed row and col numbers from make/gcc output
• Updated tests