ENH: help text only visible on button click

Other minor changes
1. Help text is visible below title and above input
2. Alert text is visible below title and above input
ENH: change help text design properties

1. Font, background changed
2. use <small> element

Other minor changes
1. Help text is visible below title and above input
2. Alert text is visible below title and above input
ENH: remove extra message title and button design

1. The extra message title is removed and the content is now showed as "alert" with background and font color as white using ".help-text" class

2. buttons design changed from default to bootstrap (forgot previously to change)
ENH: display profile summary as table

Previously we have used <dl></dl> for it. Knowingly, I used the wrong way as the summary was condensed otherwise.

Using table seems to be a lot cleaner
ENH: change submission Form from POST to GET

1. spc-new-submission url takes item_type as extra paramenter
This is required for GET requests

2. POST is converted to GET to fix dropdown menu of submit button on
header
ENH: change submission form heading dynamically
ENH: show profile summary as table
ENH: increase searchbar width
ENH: redesign profile dropdown menu
ENH: add top contributors list to rightsidebar
ENH: add top tags list to rightsidebar
ENH: show submission summary as table in item.html

1. previously dl is used and in wrong way (to just condense it)
2. Since, tables offer better compatibility, table has been choosed.
ENH: display submission type with image

1. one-person-result.html, one-search-result.html contains totally new code.
2. edit in remaining html pages are done to fit the above pages code
3. unnecessary css definitions are removed in .less (.css is compiled)
ENH: image upload form moved into bootstrap modal

1. Image upload button is placed below description using bootstrap modal
2. .no-lead class added to provide padding on the top
MAINT: improve image upload message
BUG: add media_root for image uploads in debug mode

1. in debug=true mode, images don't get uploaded unless media root is present
MAINT: bold key words in label of fields
MAINT: Upper case first letter of keywords
ENH: write markup-help.html from scratch using tables
ENH: copyrights info move from footer to rightsidebar bottom