Disable 'searching...' and 'no results found' and auto detect interpolation character change

New features:

• disable 'searching...' and 'no results found' #129 Thanks to @baloo2401
• detect interpolation character change and update template

Bug fix: (really really) handle numeric data

Bug fix:

• supposed to be an easy feature ended up releasing several times

Bug fix: (really) handle numeric data

Bug fix:

• v1.0.5 wasn't perfect. Thanks to @paambaati for testing!

Bug fix: handle numeric data

Bug fix:

• Handle numeric data #47 Thanks to @shashykant for a little snippet.

Bug fix: dropdown list not consistent in collapsing

Bug fix:

• dropdown list not consistent in collapsing #194

Remove forEach

Use for loop instead of forEach.

Bug fixes: scroll bar and baskspace

Bug fixes:

• #63 Scrollbar bug happened again when I fixed Surface bug #169
• #179 Selected object not being updated when highlighted text is deleted by backspace

bug fixes

Bug fixes:

• clear input does not clear internal model #182
• angular v1.4.1 breaks one tests

Misc:

• Update README on explaining how to use angucomplete-alt in ng-repeat. Thanks to @antony

Allow the user to set an initial value OBJECT instead of just a string

New feature:

• Allow the user to set an initial value OBJECT instead of just a string #173 Thanks to @antony

This change breaks the previous usage of initial-value as we change the binding from @ to =.
When you update to this version, make sure you remove double curly braces.

Bug fix: mouse holding down behavior and clear input with required

Bug fixes:

• Dropdown disappears when holding mouse button down #169 Thanks to @bl0wfish for reporting this bug.
• Required border is missing when clearing hidden autocomplete #171 Thanks to @macgyver76 for reporting this bug.