Update README.md
Update README.md
ADD indexer
ADD delete dbout segment when indexing success
MOD nil dbs before gc
ADD do gc after loading index
MOD filter illegal chars for package
trivial
trivial
MOD tokenize 3d to 3 d 3-d
ADD missing files
ADD responsive optimization
ADD about page
ADD missing about template
ADD like/plusone buttons
ADD len parameter for top page
Various minor update for spelling and links.
modified:   .gitignore
   added the bin directory to ignore since it is used by the batch files now

modified:   crawler.bat
   made it use go install and then reference the bin directory

modified:   indexer.bat
   made it use go install and then reference the bin directory

new file:   license.txt
    added a license.txt to the project, with David's copyright on it

modified:   server.bat
   made it use go install and then reference the bin directory

modified:   server/web/about.html
    fixed links to github projects, cleaned up langauge a bit

modified:   server/web/footer.html
    moved the GCSE link to header (where it already was)

modified:   server/web/header.html
    moved the GCSE link to header (where it already was)
    made link text a little more clear (might be too long for mobile?)

modified:   server/web/index.html
    cleaned up language a little bit
made it so the bats will work with any GOPATH