Initial version.
1) Basic splitter
2) Basic Docker layout
3) A dynamic layout and static layout exmaple
Changed weight allocation algorithm
Added dockToRight and dockToBottom
Stabilized dockTo* methoda
Added testcases to test dockTo*
Started implementing Selectable, Pages, Tabs
Merge branch 'master' of github.com:tejainece/dockable.dart

Conflicts:
	.gitignore