Move all libraries to a proper namespace - SchemaEvolutionManager

 - ScriptError was conflicting - resolves this issue and restores unit tests
Improve output/help when using sem-info command
Minor updates to README
Update install scripts to include new lib/schema-evolution-manager dir
Fix bug when asking for latest tag in a directory that is not a git dir

 - Removes warning:
   fatal: Not a git repository (or any of the parent directories): .git
Update ruby convention in formatting to avoid array when only 1 string arg
Fix typo
Update copyright to 2013-2014
Adds 'lib/schema-evolution-manager' to the list of dirs that needs to be copied
Add namespace to module Ask
Merge pull request #6 from jonathang/master

Adds 'lib/schema-evolution-manager' to the list of dirs that needs to be...
ScriptError needs to extend Exeption to be raised
Revert "Fix bug when asking for latest tag in a directory that is not a git dir"

This reverts commit c9989626e7167477a353054616b6087b8b87034e.

This change made it difficult to test - revert for now
Update namespace to Library
Update installer spec to use full path to file
Update version to 0.9.12
Merge pull request #8 from haywood/master

dev.rb should use exec so that error messages are clear and exit status ...