Installing latest org mode

Installing latest org mode using package manager

To install latest org mode using package manager use:

Download latest org elpa package from http://orgmode.org/elpa/
If use of proxy is necessary for accessing Internet then export proxy. Example command is:
```
export http_proxy='http://proxy.virtual-labs.ac.in:8080/'
```
Start emacs with 'emacs &'
Check current org version using 'M-x org-version'
List packages from package manager using 'M-x package-list-packages'
Note that this step is important and should not be skipped
Install org-package using 'M-x package-install-file' and choose downloaded org elpa package
Close emacs
Start emacs again with 'emacs &'
Check org-version again using 'M-x org-version'. If the new version is not reflected then troubleshoot.