Convert found files' newlines to native newlines

Sort of; this needs to be implemented for non-Unixes
Add test file with Windows newlines
Fix existing tests to accommodate new test file
Set $0 to ack
Deprecate -a with hint about -k
Fix $0
Fix --man
Merge pull request #151 from rking/master

Explain -a deprecation with mention of -k.
Merge pull request #148 from bmatheny/master

Docs for Building
Remove "optional" steps for building process
Flesh out installation steps in README
Add issues-scrub.pl

This script finds issues that don't have labels or a milestone.
Warn people searching for terms beginning with + or -

This fixes issue #140
Document what we mean by PATTERN

This closes #138
Add test for -s option
Add -s option

This closes #68
Check for -s in --help output
Add notes about adding options
Add sample ASP.Net files
Fix tests to accommodate ASP.Net files