Added *.swp files to .gitignore to help git play more nicely with us vim users.
Minor grammar and spelling fix.
Added a note for developers about installing and running Grunt.
Fixed issue #83: weird formatting on details page for transactions involving satoshi.
Merge pull request #91 from ryepdx/details-page-satoshi-formatting

Fixed issue #83: weird formatting on details page for transactions invol...
Merge pull request #89 from ryepdx/install-doc-update

Install doc update