Added new generator framework that informs about its doings on generation and enables updating and destruction of generated artifacts. See the new script/destroy and script/update for more details #487 [bitsweat]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@518 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@154 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

Added a better generator for scaffolding that actually creates the code, so it can be edited bit by bit. See "script/generate scaffold" [bitsweat]. Added a whole new approach to generators that used the shared "script/generate" command. Run with no-args to see help [bitsweat].

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@63 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4 5ecf4fe2-1ee6-0310-87b1-e25e094e27de