Changed disrate and vaprate assignments

Changed disrate and vaprate assignments for diferent types of condensers
Changed initial vapor estimates equations

Changed initial vapor estimates equation for stages below condenser,
for diferent types of condenser
Added equation for L(0) for full reflux condenser
Fixed redundant resize function for Kw1
Changed Spec. values por stream ratio in condenser
Revert "Changed Spec. values por stream ratio in condenser"

This reverts commit ca2d4df6b15f590ba465aa6433e97e18759fc0bb.
Changed Spec. values for stream ratio in condenser