In makahiki/install: Code and documentation cleanup.
install/run_initialize_instance.py: Removed documentation and output references to run_update_instance.py.
vagrant/doc/ubuntu_x86_vagrant_readme.txt: Formatting cleanup.
vagrant/doc/ubuntu_x86_vagrant_readme.txt: Formatting cleanup.
bootstrap.sh: Added a wget install as a sanity check - it is usually already installed.
install/doc/redhat_readme.txt: Formatting fixes.
Moved dependency_redhat.py and dependency_ubuntu.py into redhat and ubuntu directories. Removed dependency directory.
install/doc/redhat_readme.txt: Added instructions to check memcached.
Changed vagrant installation to copy makahiki_env.sh instead of creating it manually and appending text.
install/doc/redhat_readme.txt: Edits to memcached sections.
vagrant/doc/ubuntu_x86_vagrant_readme.txt: Edits to memcached sections.
Vagrant: Added code to copy or append memcached configuration to makahiki_env.sh
Removed duplicate .gitignore file in install directory.
install/ scripts: Removed --os option (no longer needed).
install/doc/ubuntu_readme.txt: Formatting edits.
install/doc/ubuntu_readme.txt: Formatting edits.
Revising dependency_ubuntu.py to install libmemcached-0.53 (draft)
install/redhat/dependency_redhat.py: Changed indentation.
dependency_ubuntu.py: Added wget installation code.
install/: Added code to print start and end times for subtasks during the installation.