minor cleanup and format
add documentation to use of code formatter in Intellij IDE
Merge pull request #228 from uronce-cc/updateDocument

add documentation to use of code formatter in Intellij IDE
Use Constants
update test document
Merge pull request #230 from WangTaoTheTonic/master

Use Constants
update document
Merge branch 'master' of github.com:amplab/tachyon
Simple cleanup to remove continue from try-catch inside while loop when it is the last line in the loop.
Merge pull request #231 from hsaputra/remove_continue_from_whileloop

Simple cleanup to remove continue from try-catch from UnderFileSystemHdfs class
Update index.md

Add "API Documentation" topic
Create copy_javadoc_to_docs.rb

Copy over the JavaDoc for all projects to api/java, which is used for the documentation HTML.
Merge pull request #232 from PasaLab/master

Add a section to the Documentation HTML
update README.md in docs
rename folder from main to core
update .gitignore
clean
tune the ui
Merge branch 'master' of github.com:amplab/tachyon
update gitignore