scroll with 105px of context using j/k
scroll with 105px of context using j/k

Test Plan:
scroll with j/k. should always see previous and next plugin when
they're there. can also use mouse to select a plugin, which does not interfere
with j/k.

Reviewers: spicyj, xymostech

Reviewed By: spicyj

Differential Revision: http://phabricator.benalpert.com/D101

vim-awesome/vim-awesome,starcraftman/vim-awesome,divad12/vim-awesome,shaialon/vim-awesome,shaialon/vim-awesome,shaialon/vim-awesome,vim-awesome/vim-awesome,starcraftman/vim-awesome,starcraftman/vim-awesome,jonafato/vim-awesome,jonafato/vim-awesome,shaialon/vim-awesome,jonafato/vim-awesome,vim-awesome/vim-awesome,starcraftman/vim-awesome,vim-awesome/vim-awesome,divad12/vim-awesome,divad12/vim-awesome,jonafato/vim-awesome,vim-awesome/vim-awesome,divad12/vim-awesome