Fix long descriptions of `benchmark` and `serve` commands
Minor copyediting, no new content added.
Typo fix: "simple" → "simply" in templates/views.md

Thanks to @paulsullivan for catching that typo!
Revise README.md: buildDate expects timezone; copyediting

Since commit 3a8c12418a97230df714488e522f44ce8af685c5 dated 2014-12-09,
commands.buildDate expects `date +%FT%T%z` rather than `date +%FT%T`.
Update README.md accordingly.

Also did a little copyediting.
[helpers] Removed Content-Length from WriteBody as it conflicts
Fixed typo
Outsource SCP code into its own file. Add CSV feature
Initial implementation of scpGetCache, add func GetTempDir
Fix incorrect assignment
Add TestGetTempDir for helpers.GetTempDir
Implemented afero.fs
Add tests for scpGetRemote(), scpGetLocal() and parseCsv()
Path Test: Fixed missing parameter in GetTempDir
Moved getJson and getCsv from short code into global template func map space
Fix race condition when resGetRemote() is called concurrently with the same URL
gofmt
Merge branch 'dynamicJsonShortCodes' of github.com:SchumacherFM/hugo into dynamicJsonShortCodes