[bootstrap] Do not set changeps1 to false as that affects deactivation of PS1...

[bootstrap] Do not set changeps1 to false as that affects deactivation of PS1 in hybrid environments (closes #16); Remove unused channels from default environment

bob/devtools/bootstrap.py

@@ -9,10 +9,7 @@ _BASE_CONDARC = '''\
 default_channels:
   - https://repo.anaconda.com/pkgs/main
   - https://repo.anaconda.com/pkgs/free
-  - https://repo.anaconda.com/pkgs/r
-  - https://repo.anaconda.com/pkgs/pro
 add_pip_as_python_dependency: false #!final
-changeps1: false #!final
 always_yes: true #!final
 quiet: true #!final
 show_channel_urls: true #!final

bob/devtools/build.py

@@ -288,7 +288,7 @@ def conda_create(conda, name, overwrite, condarc, packages, dry_run, use_local):
   if not dry_run:
     # get envdir again - it may just be created!
     envdir = get_env_directory(conda, name)
-    destrc = os.path.join(envdir, '.condarc')
+    destrc = os.path.join(envdir, 'condarc')
     logger.info('Creating %s...', destrc)
     with open(destrc, 'w') as f:
       yaml.dump(condarc, f, indent=2)