Emit warning when user profile is in project files

This implements issue #890.
It warns if a :user profile is found in either project.clj or
a profiles.clj in the project directory.
Merge pull request #932 from mgrubb/warn-on-user-in-project

Emit warning when user profile is in project files
NEWS for RC2.
Bump REPLy & nREPL for Calendar print & regex read
Add newlines at end of template files
Add bin/lein-pkg to the list of files that get version substitutions.

Currently lein-pkg is forgotten about, which means it is always pointing to
the 2.0.0-SNAPSHOT version. This means packagers much edit this file
themselves.
Merge pull request #935 from brandonbloom/newlines-at-eof

Add newlines at end of template files
Merge pull request #936 from metajack/fix-release-for-lein-pkg

Add bin/lein-pkg to the list of files that get version substitutions.
Bump REPLy for parsing things like "\ "
Add pom.xml.asc and .lein-repl-history to lein new gitignores.