Updating to testing code version 1.0.2-Beta1

Change log from last commit (version 1.0.1):
* Modified pages to dynamic pages
* Added default app launch into Status page showing humidity, light, and fan status. Status page contains Configure button.
* Added auto-exhaust fan option (toggles on when humidity > avg. or off when humidity <= avg and humidity or light switch event occurs)
* Removed debug code that prevented analyzing "currentHumidity" and averaging/trending as intended
* Added in app notification event (not push notifications, but notices within the SmartThings mobile app) for testing/debugging purposes
* Modified logged data to better detect where we are in code based on Trace/Debug log.
* Added logging level option in code.  0 = off, 1 = on, 2 = debug.  Configured by changing variable in initialize()
* General code cleanup (tabs/spacing, commenting, etc)
Updated with notes regarding 1.0.2-Beta1 release
Adjusted humidity trending safeguard

Trending safeguard was set to detect a change of +/- 1% from the last humidity reading.
Adjusted to use +/- 0.5% from the last humidity reading before determining if the trend is going up, down or staying.
Updated with notes regarding 1.0.2-Beta2 release

Adjusted trending determination threshold from +/- 1% to +/- 0.5%
Minor formatting correction to Readme.md
Corrected current / last light switch status

Corrected issue where SwitchEvent (for light on/off events) did not execute as intended.
Changed from looking at lightswitch.latestValue to a new state variable state.lightswitchlastValue which will return the last change event to compare with the current change event.
Updated with notes regarding 1.0.2-Beta3 release

Corrected issue with comparing current light change event with last known status.
Added Timestamp info, adjusted humidity sensor

Added timestamp info to Light switch, fan switch, humidity sensor events.  Added to status page.
Reverted last change to the humidity sensor trend (changing trend at 0.5% was too sensitive; reverted back to 1%.)  Note Status page will show trend is "Stay" if sensor only changes 1% up or down; however a shower event, I would think should show more than 1% change, but only testing will tell. If you wish to play with this value, it's located at lines 300 & 301.
Maturing from 1.0.2-Betax to 1.0.2
Maturing from 1.0.2-BetaX to 1.0.2

  * Modified pages to dynamic pages
  * Added default app launch into Status page showing humidity, light, and fan status. Status page contains Configure button.
  * Added auto-exhaust fan option (toggles on when humidity > avg. or off when humidity <= avg and humidity or light switch event occurs)
  * Removed debug code that prevented analyzing "currentHumidity" and averaging/trending as intended
  * Added in app notification event (not push notifications, but notices within the SmartThings mobile app) for testing/debugging purposes
  * Modified logged data to better detect where we are in code based on Trace/Debug log.
  * Added logging level option in code.  0 = off, 1 = on, 2 = debug.  Configured by changing variable in initialize()
  * General code cleanup (tabs/spacing, commenting, etc)
  * Corrected issue with comparing current light change event with last known status.
Merge pull request #2 from rayzurbock/testing

Maturing from 1.0.2-BetaX to 1.0.2