Fix: layout_weight attribute support for the primary and secondary
content fix
Fix: do not allow moving of handler outside of the screen

lib:

SplitView:
- modified mPointerOffset calculation to use general
getPrimaryContentSize method in the onTouch method
- updated setPrimaryContentHeight method:
	1. added newHeight correction to fix the issue when split handler may
be moved outside the screen
	2. updated type of params variable to support weight value adjustment
	3. added adjusting of the weight layout parameter to stop the primary
content from filling all the space
- updated setPrimaryContentWidth method:
	1. added newWidth correction to fix the issue when split handler may be
moved outside the screen
	2. updated type of params variable to support weight value adjustment
	3. added adjusting of the weight layout parameter to stop the primary
content from filling all the space
- updated maximizeContentPane method
	1. updated type of params and secondaryParams variables
	2. added setting of secondary and primary content weight instead of
using LayoutParams.FILL_PARENT value for the height and width layout
parameters.
- updated unMinimizeSecondaryContent method:
	1. updated secondaryParams variable type
	2. added setting of secondary params weight instead of using
LayoutParams.FILL_PARENT value for the height and width layout
parameters.

example:

res/layout/main.xml:
- updated height and layout weight for the secondary vertical content
container
- added layout weight parameter to the primary and secondary containers
of the horizontal SplitView