Fix from Shahzad
Start to add support for user interaction with compiler meta.
Added warn feature so that missing dirs can prompt a warning rather than stopping for user-input.
Merged V1_0 branch to HEAD
file ToolParser.pm was initially added on branch SCRAM_V1_BRANCH.
This form allows you to request diffs between any two revisions of this file. For each of the two "sides" of the diff, select a symbolic revision name using the selection box, or choose 'Use Text Field' and enter a numeric revision.