Rename uninstall_comril.sh to install_comril.sh, support install and uninstall com-ril
Enable cache by default. Get LDAP Authn before download from server.
[auto_flash_from_pvt.sh]
Merge pull request #120 from askeing/enable_cache_by_default

Enable Local Cache by default.  And get LDAP Authn before download from server.
Merge branch 'master' into ril
1. Rename uninstall_comril to install_comril.
2. Do refactoring from [...] to powerful [[...]]. Ref: http://wiki.bash-hackers.org/commands/classictest
Merge pull request #118 from askeing/ril

Rename uninstall_comril to install_comril, support install/uninstall com-ril
Update README.md file and usages.
Merge pull request #122 from askeing/update_README

Update README.md file and usages.
Find BuildID of Latest Build, and copy it into BuildID folder.
- base on PR #121
Improve download B2G Desktop Build script.
fix #59
Merge pull request #124 from askeing/improve_b2gdesktop

Improve download B2G Desktop Build script.
Support multiple branch for b2g desktop builds.
Merge pull request #125 from askeing/improve_b2gdesktop

Support multiple branch for b2g desktop builds.
Add support for download b2g desktop build. part2
Update README.md
Merge pull request #123 from askeing/copy_latest_build_to_buildid_folder

Find BuildID of Latest Build, and copy it into BuildID folder.