add common function string-suffix-p
add feature to operate git repo
add utility functions to operate string
add variable pointing to org page repository directory
add new file, for exporting function
update op/handle-changes to op/publish-changes, and improve the description
add new function op/generate-uri
udpate op/publish-changes, fix parameter error
fix date present format
add op-hack.el, the hacked version of original `org-export-as-html'
update .gitignore
update export function, add wiki publication support
update name: op/handle-modified-file => op/publish-modified-file
hack: always use index.html as name of published html files, do not use org file name
hack: ignore file name error when buffer is org page temp buffer
extract the verification function
add function, to get all org files
improve function op/git-files-changed
add index page generation feature
Merge branch 'devel' into office