few minor fixes
Fixed Website Response, Startup JS loading,
Conditions involving STANDARD_USERS, removed Validate Max Users,
Cast Floats and Ints for Single DocTypes, Ability to Disable Scheduler
Revert "Frappe default wallpaper"

This reverts commit ef89f4e91e852b9654ea3c0a076d5498c63df606.
Updated margins for ul li, ol li elements, Changed Tools to Help in Toolbar, Moved Download Backup to Setup > System > Download Backup
bugfix in User
added md5 lib and style fix
hook to extend bootinfo
Expand Content Block to 12 cols, when sidebar has no content, remove style and script tags if present in jinja template blocks of style and script respectively.
Fixes to Respond as Page, Error Page when not ajax, strip script and style tags from script and style blocks, hide sidebar and breadcrumbs if no content in them
rename profile -> user only if website route perms exists
minor fixes
doc fields fix
Minor Fixes in clear cookies and update sitemap
more caching for frequent queries
fix for #477
Refactored get_url, verified command and other minor fixes
Fixed clear cache bug in defaults.py
check X-Frappe-Site-Name for site
fix 500 on bad HTTP Host
minor fix in grid report